diff --git a/harness/testIntl.js b/harness/testIntl.js
index fe3be6c27a..e59c2185a9 100644
--- a/harness/testIntl.js
+++ b/harness/testIntl.js
@@ -40,7 +40,8 @@ function testWithIntlConstructors(f) {
 
   // Optionally supported Intl constructors.
   // NB: Intl.Locale isn't an Intl service constructor!
-  ["PluralRules", "RelativeTimeFormat", "ListFormat", "DisplayNames"].forEach(function(constructor) {
+  // Intl.DisplayNames cannot be called without type in options.
+  ["PluralRules", "RelativeTimeFormat", "ListFormat"].forEach(function(constructor) {
     if (typeof Intl[constructor] === "function") {
       constructors[constructors.length] = constructor;
     }
diff --git a/test/intl402/DisplayNames/ctor-custom-prototype.js b/test/intl402/DisplayNames/ctor-custom-prototype.js
index de78c046c4..6cabaeeea1 100644
--- a/test/intl402/DisplayNames/ctor-custom-prototype.js
+++ b/test/intl402/DisplayNames/ctor-custom-prototype.js
@@ -6,12 +6,15 @@ esid: sec-Intl.DisplayNames
 description: >
   Custom Prototype of the returned object based on the NewTarget
 info: |
-  Intl.DisplayNames ([ locales [ , options ]])
+  Intl.DisplayNames ( locales , options )
 
   1. If NewTarget is undefined, throw a TypeError exception.
   2. Let displayNames be ? OrdinaryCreateFromConstructor(NewTarget, "%DisplayNamesPrototype%",
     « [[InitializedDisplayNames]], [[Locale]], [[Style]], [[Type]], [[Fallback]], [[Fields]] »).
   ...
+  12. Let type be ? GetOption(options, "type", "string", « "language", "region", "script", "currency" », undefined).
+  13. If type is undefined, throw a TypeError exception.
+  ...
 
   OrdinaryCreateFromConstructor ( constructor, intrinsicDefaultProto [ , internalSlotsList ] )
 
@@ -32,6 +35,6 @@ features: [Intl.DisplayNames, Reflect]
 var custom = new Function();
 custom.prototype = {};
 
-var obj = Reflect.construct(Intl.DisplayNames, [], custom);
+const obj = Reflect.construct(Intl.DisplayNames, [undefined, {type: 'language'}], custom);
 
 assert.sameValue(Object.getPrototypeOf(obj), custom.prototype);
diff --git a/test/intl402/DisplayNames/ctor-default-prototype.js b/test/intl402/DisplayNames/ctor-default-prototype.js
index 1229eda060..2ccb1ecb9c 100644
--- a/test/intl402/DisplayNames/ctor-default-prototype.js
+++ b/test/intl402/DisplayNames/ctor-default-prototype.js
@@ -6,16 +6,19 @@ esid: sec-Intl.DisplayNames
 description: >
   Prototype of the returned object is DisplayNames.prototype
 info: |
-  Intl.DisplayNames ([ locales [ , options ]])
+  Intl.DisplayNames ( locales , options )
 
   1. If NewTarget is undefined, throw a TypeError exception.
   2. Let displayNames be ? OrdinaryCreateFromConstructor(NewTarget, "%DisplayNamesPrototype%",
     « [[InitializedDisplayNames]], [[Locale]], [[Style]], [[Type]], [[Fallback]], [[Fields]] »).
   ...
+  12. Let type be ? GetOption(options, "type", "string", « "language", "region", "script", "currency" », undefined).
+  13. If type is undefined, throw a TypeError exception.
+  ...
   27. Return displayNames.
 features: [Intl.DisplayNames]
 ---*/
 
-var obj = new Intl.DisplayNames();
+var obj = new Intl.DisplayNames(undefined, {type: 'language'});
 
 assert.sameValue(Object.getPrototypeOf(obj), Intl.DisplayNames.prototype);
diff --git a/test/intl402/DisplayNames/instance-extensible.js b/test/intl402/DisplayNames/instance-extensible.js
index 89676f56d0..ef61dd69d3 100644
--- a/test/intl402/DisplayNames/instance-extensible.js
+++ b/test/intl402/DisplayNames/instance-extensible.js
@@ -6,12 +6,15 @@ esid: sec-Intl.DisplayNames
 description: >
   Instance is extensible
 info: |
-  Intl.DisplayNames ([ locales [ , options ]])
+  Intl.DisplayNames ( locales , options )
 
   1. If NewTarget is undefined, throw a TypeError exception.
   2. Let displayNames be ? OrdinaryCreateFromConstructor(NewTarget, "%DisplayNamesPrototype%",
     « [[InitializedDisplayNames]], [[Locale]], [[Style]], [[Type]], [[Fallback]], [[Fields]] »).
   ...
+  12. Let type be ? GetOption(options, "type", "string", « "language", "region", "script", "currency" », undefined).
+  13. If type is undefined, throw a TypeError exception.
+  ...
 
   OrdinaryCreateFromConstructor ( constructor, intrinsicDefaultProto [ , internalSlotsList ] )
 
@@ -30,6 +33,6 @@ info: |
 features: [Intl.DisplayNames]
 ---*/
 
-var obj = new Intl.DisplayNames();
+var obj = new Intl.DisplayNames(undefined, {type: 'language'});
 
 assert(Object.isExtensible(obj));
diff --git a/test/intl402/DisplayNames/locales-symbol-length.js b/test/intl402/DisplayNames/locales-symbol-length.js
index 648db1806e..e13303c368 100644
--- a/test/intl402/DisplayNames/locales-symbol-length.js
+++ b/test/intl402/DisplayNames/locales-symbol-length.js
@@ -6,13 +6,16 @@ esid: sec-Intl.DisplayNames
 description: >
   CanonicalizeLocaleList tries to fetch length from Object.
 info: |
-  Intl.DisplayNames ([ locales [ , options ]])
+  Intl.DisplayNames ( locales , options )
 
   1. If NewTarget is undefined, throw a TypeError exception.
   2. Let displayNames be ? OrdinaryCreateFromConstructor(NewTarget, "%DisplayNamesPrototype%",
     « [[InitializedDisplayNames]], [[Locale]], [[Style]], [[Type]], [[Fallback]], [[Fields]] »).
   3. Let requestedLocales be ? CanonicalizeLocaleList(locales).
   ...
+  12. Let type be ? GetOption(options, "type", "string", « "language", "region", "script", "currency" », undefined).
+  13. If type is undefined, throw a TypeError exception.
+  ...
 
   CanonicalizeLocaleList ( locales )
 
@@ -29,8 +32,8 @@ locale: [en]
 includes: [compareArray.js]
 ---*/
 
-var calls = [];
-var symbol = Symbol();
+let calls = [];
+let symbol = Symbol();
 
 Symbol.prototype.length = 1;
 
@@ -54,6 +57,6 @@ Object.defineProperty(Symbol.prototype, '0', {
   }
 });
 
-new Intl.DisplayNames(symbol);
+new Intl.DisplayNames(symbol, {type: 'language'});
 
 assert.compareArray(calls, ['length', '0']);
diff --git a/test/intl402/DisplayNames/options-fallback-abrupt-throws.js b/test/intl402/DisplayNames/options-fallback-abrupt-throws.js
index 918bf9be6a..c049809f91 100644
--- a/test/intl402/DisplayNames/options-fallback-abrupt-throws.js
+++ b/test/intl402/DisplayNames/options-fallback-abrupt-throws.js
@@ -6,22 +6,16 @@ esid: sec-Intl.DisplayNames
 description: >
   Return abrupt completion from GetOption fallback
 info: |
-  Intl.DisplayNames ([ locales [ , options ]])
+  Intl.DisplayNames ( locales , options )
 
   1. If NewTarget is undefined, throw a TypeError exception.
   2. Let displayNames be ? OrdinaryCreateFromConstructor(NewTarget, "%DisplayNamesPrototype%",
     « [[InitializedDisplayNames]], [[Locale]], [[Style]], [[Type]], [[Fallback]], [[Fields]] »).
   ...
-  4. If options is undefined, then
-    a. Let options be ObjectCreate(null).
-  5. Else
-    a. Let options be ? ToObject(options).
+  4. Let options be ? ToObject(options).
   ...
-  8. Let matcher be ? GetOption(options, "localeMatcher", "string", « "lookup", "best fit" », "best fit").
-  ...
-  11. Let style be ? GetOption(options, "style", "string", « "narrow", "short", "long" », "long").
-  ...
-  13. Let type be ? GetOption(options, "type", "string", « "language", "region", "script", "currency", "weekday", "month", "quarter", "dayPeriod", "dateTimeField" », "language").
+  12. Let type be ? GetOption(options, "type", "string", « "language", "region", "script", "currency" », undefined).
+  13. If type is undefined, throw a TypeError exception.
   ...
   15. Let fallback be ? GetOption(options, "fallback", "string", « "code", "none" », "code").
   ...
@@ -34,7 +28,7 @@ features: [Intl.DisplayNames, Symbol]
 locale: [en]
 ---*/
 
-var options = {};
+var options = { type: 'language' };
 Object.defineProperty(options, 'fallback', {
   get() { throw new Test262Error(); },
 });
diff --git a/test/intl402/DisplayNames/options-fallback-invalid-throws.js b/test/intl402/DisplayNames/options-fallback-invalid-throws.js
index 7e0029db0a..63cb6c62c0 100644
--- a/test/intl402/DisplayNames/options-fallback-invalid-throws.js
+++ b/test/intl402/DisplayNames/options-fallback-invalid-throws.js
@@ -6,22 +6,18 @@ esid: sec-Intl.DisplayNames
 description: >
   Return abrupt completion from an invalid fallback option
 info: |
-  Intl.DisplayNames ([ locales [ , options ]])
+  Intl.DisplayNames ( locales , options )
 
   1. If NewTarget is undefined, throw a TypeError exception.
   2. Let displayNames be ? OrdinaryCreateFromConstructor(NewTarget, "%DisplayNamesPrototype%",
     « [[InitializedDisplayNames]], [[Locale]], [[Style]], [[Type]], [[Fallback]], [[Fields]] »).
   ...
-  4. If options is undefined, then
-    a. Let options be ObjectCreate(null).
-  5. Else
-    a. Let options be ? ToObject(options).
+  4. Let options be ? ToObject(options).
   ...
   8. Let matcher be ? GetOption(options, "localeMatcher", "string", « "lookup", "best fit" », "best fit").
   ...
-  11. Let style be ? GetOption(options, "style", "string", « "narrow", "short", "long" », "long").
-  ...
-  13. Let type be ? GetOption(options, "type", "string", « "language", "region", "script", "currency", "weekday", "month", "quarter", "dayPeriod", "dateTimeField" », "language").
+  12. Let type be ? GetOption(options, "type", "string", « "language", "region", "script", "currency" », "language").
+  13. If type is undefined, throw a TypeError exception.
   ...
   15. Let fallback be ? GetOption(options, "fallback", "string", « "code", "none" », "code").
   ...
@@ -40,34 +36,22 @@ features: [Intl.DisplayNames]
 locale: [en]
 ---*/
 
-var options = {
-  fallback: 'err'
-};
-
 assert.throws(RangeError, () => {
-  new Intl.DisplayNames('en', options);
+  new Intl.DisplayNames('en', {fallback: 'err', type: 'language'});
 }, 'err');
 
-options.fallback = 'non';
-
 assert.throws(RangeError, () => {
-  new Intl.DisplayNames('en', options);
+  new Intl.DisplayNames('en', {fallback: 'non', type: 'language'});
 }, 'non, not none');
 
-options.fallback = null;
-
 assert.throws(RangeError, () => {
-  new Intl.DisplayNames('en', options);
+  new Intl.DisplayNames('en', {fallback: null, type: 'language'});
 }, 'null');
 
-options.fallback = '';
-
 assert.throws(RangeError, () => {
-  new Intl.DisplayNames('en', options);
+  new Intl.DisplayNames('en', {fallback: '', type: 'language'});
 }, 'the empty string');
 
-options.fallback = ['code', 'none'];
-
 assert.throws(RangeError, () => {
-  new Intl.DisplayNames('en', options);
+  new Intl.DisplayNames('en', {fallback: ['code', 'none'], type: 'language'});
 }, 'an array with the valid options is not necessarily valid');
diff --git a/test/intl402/DisplayNames/options-fallback-toString-abrupt-throws.js b/test/intl402/DisplayNames/options-fallback-toString-abrupt-throws.js
index ad528bf86c..469239d075 100644
--- a/test/intl402/DisplayNames/options-fallback-toString-abrupt-throws.js
+++ b/test/intl402/DisplayNames/options-fallback-toString-abrupt-throws.js
@@ -6,21 +6,20 @@ esid: sec-Intl.DisplayNames
 description: >
   Return abrupt completion from GetOption fallback
 info: |
-  Intl.DisplayNames ([ locales [ , options ]])
+  Intl.DisplayNames ( locales , options )
 
   1. If NewTarget is undefined, throw a TypeError exception.
   2. Let displayNames be ? OrdinaryCreateFromConstructor(NewTarget, "%DisplayNamesPrototype%",
     « [[InitializedDisplayNames]], [[Locale]], [[Style]], [[Type]], [[Fallback]], [[Fields]] »).
   ...
-  4. If options is undefined, then
-    a. Let options be ObjectCreate(null).
-  5. Else
-    a. Let options be ? ToObject(options).
+  4. Let options be ? ToObject(options).
   ...
   8. Let matcher be ? GetOption(options, "localeMatcher", "string", « "lookup", "best fit" », "best fit").
   ...
-  11. Let style be ? GetOption(options, "style", "string", « "narrow", "short", "long" », "long").
+  10. Let style be ? GetOption(options, "style", "string", « "narrow", "short", "long" », "long").
   ...
+  12. Let type be ? GetOption(options, "type", "string", « "language", "region", "script", "currency" », undefined).
+  13. If type is undefined, throw a TypeError exception.
 
   GetOption ( options, property, type, values, fallback )
 
@@ -30,41 +29,29 @@ features: [Intl.DisplayNames, Symbol]
 locale: [en]
 ---*/
 
-var options = {
-  fallback: {
-    toString() {
-      throw new Test262Error();
-    }
-  }
-};
-
 assert.throws(Test262Error, () => {
-  new Intl.DisplayNames('en', options);
+  new Intl.DisplayNames('en', {
+    type: 'language', fallback: { toString() { throw new Test262Error(); }}
+  });
 }, 'from toString');
 
-options.fallback = {
-  toString: undefined,
-  valueOf() {
-    throw new Test262Error();
-  }
-};
-
 assert.throws(Test262Error, () => {
-  new Intl.DisplayNames('en', options);
+  new Intl.DisplayNames('en', {
+    type: 'language',
+    fallback: {toString: undefined, valueOf() {throw new Test262Error(); }}
+  });
 }, 'from valueOf');
 
-options.fallback = {
-  [Symbol.toPrimitive]() {
-    throw new Test262Error();
-  }
-};
-
 assert.throws(Test262Error, () => {
-  new Intl.DisplayNames('en', options);
+  new Intl.DisplayNames('en', {
+    type: 'language',
+    fallback: { [Symbol.toPrimitive]() { throw new Test262Error(); } }
+  });
 }, 'from ToPrimitive');
 
-options.fallback = Symbol();
-
 assert.throws(TypeError, () => {
-  new Intl.DisplayNames('en', options);
+  new Intl.DisplayNames('en', {
+    type: 'language',
+    fallback: Symbol()
+  });
 }, 'symbol value');
diff --git a/test/intl402/DisplayNames/options-fallback-valid.js b/test/intl402/DisplayNames/options-fallback-valid.js
index dae06f2fdc..21efc85bdf 100644
--- a/test/intl402/DisplayNames/options-fallback-valid.js
+++ b/test/intl402/DisplayNames/options-fallback-valid.js
@@ -6,22 +6,20 @@ esid: sec-Intl.DisplayNames
 description: >
   Valid options for fallback
 info: |
-  Intl.DisplayNames ([ locales [ , options ]])
+  Intl.DisplayNames ( locales , options )
 
   1. If NewTarget is undefined, throw a TypeError exception.
   2. Let displayNames be ? OrdinaryCreateFromConstructor(NewTarget, "%DisplayNamesPrototype%",
     « [[InitializedDisplayNames]], [[Locale]], [[Style]], [[Type]], [[Fallback]], [[Fields]] »).
   ...
-  4. If options is undefined, then
-    a. Let options be ObjectCreate(null).
-  5. Else
-    a. Let options be ? ToObject(options).
+  4. Let options be ? ToObject(options).
   ...
   8. Let matcher be ? GetOption(options, "localeMatcher", "string", « "lookup", "best fit" », "best fit").
   ...
-  11. Let style be ? GetOption(options, "style", "string", « "narrow", "short", "long" », "long").
+  10. Let style be ? GetOption(options, "style", "string", « "narrow", "short", "long" », "long").
   ...
-  13. Let type be ? GetOption(options, "type", "string", « "language", "region", "script", "currency", "weekday", "month", "quarter", "dayPeriod", "dateTimeField" », "language").
+  12. Let type be ? GetOption(options, "type", "string", « "language", "region", "script", "currency" », undefined).
+  13. If type is undefined, throw a TypeError exception.
   ...
   15. Let fallback be ? GetOption(options, "fallback", "string", « "code", "none" », "code").
   ...
@@ -36,19 +34,15 @@ locale: [en]
 
 // results for option values verified in the tests for resolvedOptions
 
-var values = [
+const fallbacks = [
   undefined,
   'code',
   'none'
 ];
 
-for (let valid of values) {
-  let options = {
-    fallback: valid
-  };
+fallbacks.forEach(fallback => {
+  const obj = new Intl.DisplayNames('en', { fallback, type: 'language'});
 
-  var obj = new Intl.DisplayNames('en', options);
-
-  assert(obj instanceof Intl.DisplayNames, `instanceof check - ${valid}`);
-  assert.sameValue(Object.getPrototypeOf(obj), Intl.DisplayNames.prototype, `proto check - ${valid}`);
-}
+  assert(obj instanceof Intl.DisplayNames, `instanceof check - ${fallback}`);
+  assert.sameValue(Object.getPrototypeOf(obj), Intl.DisplayNames.prototype, `proto check - ${fallback}`);
+});
diff --git a/test/intl402/DisplayNames/options-localeMatcher-valid.js b/test/intl402/DisplayNames/options-localeMatcher-valid.js
index e1cc5e6649..0a5f87ffae 100644
--- a/test/intl402/DisplayNames/options-localeMatcher-valid.js
+++ b/test/intl402/DisplayNames/options-localeMatcher-valid.js
@@ -6,22 +6,20 @@ esid: sec-Intl.DisplayNames
 description: >
   Valid options for localeMatcher
 info: |
-  Intl.DisplayNames ([ locales [ , options ]])
+  Intl.DisplayNames ( locales , options )
 
   1. If NewTarget is undefined, throw a TypeError exception.
   2. Let displayNames be ? OrdinaryCreateFromConstructor(NewTarget, "%DisplayNamesPrototype%",
     « [[InitializedDisplayNames]], [[Locale]], [[Style]], [[Type]], [[Fallback]], [[Fields]] »).
   ...
-  4. If options is undefined, then
-    a. Let options be ObjectCreate(null).
-  5. Else
-    a. Let options be ? ToObject(options).
+  4. Let options be ? ToObject(options).
   ...
   8. Let matcher be ? GetOption(options, "localeMatcher", "string", « "lookup", "best fit" », "best fit").
   ...
-  11. Let style be ? GetOption(options, "style", "string", « "narrow", "short", "long" », "long").
+  10. Let style be ? GetOption(options, "style", "string", « "narrow", "short", "long" », "long").
   ...
-  13. Let type be ? GetOption(options, "type", "string", « "language", "region", "script", "currency", "weekday", "month", "quarter", "dayPeriod", "dateTimeField" », "language").
+  12. Let type be ? GetOption(options, "type", "string", « "language", "region", "script", "currency" », undefined).
+  13. If type is undefined, throw a TypeError exception.
   ...
   15. Let fallback be ? GetOption(options, "fallback", "string", « "code", "none" », "code").
   ...
@@ -36,19 +34,15 @@ locale: [en]
 
 // results for option values verified in the tests for resolvedOptions
 
-var values = [
+const localeMatchers = [
   undefined,
   'lookup',
   'best fit'
 ];
 
-for (let valid of values) {
-  let options = {
-    localeMatcher: valid
-  };
+localeMatchers.forEach(localeMatcher => {
+  const obj = new Intl.DisplayNames('en', { localeMatcher, type: 'language' });
 
-  var obj = new Intl.DisplayNames('en', options);
-
-  assert(obj instanceof Intl.DisplayNames, `instanceof check - ${valid}`);
-  assert.sameValue(Object.getPrototypeOf(obj), Intl.DisplayNames.prototype, `proto check - ${valid}`);
-}
+  assert(obj instanceof Intl.DisplayNames, `instanceof check - ${localeMatcher}`);
+  assert.sameValue(Object.getPrototypeOf(obj), Intl.DisplayNames.prototype, `proto check - ${localeMatcher}`);
+});
diff --git a/test/intl402/DisplayNames/options-random-properties-unchecked.js b/test/intl402/DisplayNames/options-random-properties-unchecked.js
index 1244c77994..7fe2618ee2 100644
--- a/test/intl402/DisplayNames/options-random-properties-unchecked.js
+++ b/test/intl402/DisplayNames/options-random-properties-unchecked.js
@@ -6,22 +6,20 @@ esid: sec-Intl.DisplayNames
 description: >
   Random options are not checked or used, including case sensitive
 info: |
-  Intl.DisplayNames ([ locales [ , options ]])
+  Intl.DisplayNames ( locales , options )
 
   1. If NewTarget is undefined, throw a TypeError exception.
   2. Let displayNames be ? OrdinaryCreateFromConstructor(NewTarget, "%DisplayNamesPrototype%",
     « [[InitializedDisplayNames]], [[Locale]], [[Style]], [[Type]], [[Fallback]], [[Fields]] »).
   ...
-  4. If options is undefined, then
-    a. Let options be ObjectCreate(null).
-  5. Else
-    a. Let options be ? ToObject(options).
+  4. Let options be ? ToObject(options).
   ...
-  8. Let matcher be ? GetOption(options, "localeMatcher", "string", « "lookup", "best fit" », "best fit").
+  7. Let matcher be ? GetOption(options, "localeMatcher", "string", « "lookup", "best fit" », "best fit").
   ...
-  11. Let style be ? GetOption(options, "style", "string", « "narrow", "short", "long" », "long").
+  10. Let style be ? GetOption(options, "style", "string", « "narrow", "short", "long" », "long").
   ...
-  13. Let type be ? GetOption(options, "type", "string", « "language", "region", "script", "currency", "weekday", "month", "quarter", "dayPeriod", "dateTimeField" », "language").
+  12. Let type be ? GetOption(options, "type", "string", « "language", "region", "script", "currency" », undefined).
+  13. If type is undefined, throw a TypeError exception.
   ...
   15. Let fallback be ? GetOption(options, "fallback", "string", « "code", "none" », "code").
   ...
@@ -34,7 +32,7 @@ features: [Intl.DisplayNames]
 locale: [en]
 ---*/
 
-var options = {};
+var options = { type: 'language' };
 Object.defineProperty(options, 'fallBack', {
   get() { throw new Test262Error(); }
 });
diff --git a/test/intl402/DisplayNames/options-style-valid.js b/test/intl402/DisplayNames/options-style-valid.js
index 9fcd7382ec..6ff9d8d642 100644
--- a/test/intl402/DisplayNames/options-style-valid.js
+++ b/test/intl402/DisplayNames/options-style-valid.js
@@ -6,24 +6,18 @@ esid: sec-Intl.DisplayNames
 description: >
   Valid options for localeMatcher
 info: |
-  Intl.DisplayNames ([ locales [ , options ]])
+  Intl.DisplayNames ( locales , options )
 
   1. If NewTarget is undefined, throw a TypeError exception.
   2. Let displayNames be ? OrdinaryCreateFromConstructor(NewTarget, "%DisplayNamesPrototype%",
     « [[InitializedDisplayNames]], [[Locale]], [[Style]], [[Type]], [[Fallback]], [[Fields]] »).
   ...
-  4. If options is undefined, then
-    a. Let options be ObjectCreate(null).
-  5. Else
-    a. Let options be ? ToObject(options).
+  4. Let options be ? ToObject(options).
   ...
-  8. Let matcher be ? GetOption(options, "localeMatcher", "string", « "lookup", "best fit" », "best fit").
+  10. Let style be ? GetOption(options, "style", "string", « "narrow", "short", "long" », "long").
   ...
-  11. Let style be ? GetOption(options, "style", "string", « "narrow", "short", "long" », "long").
-  ...
-  13. Let type be ? GetOption(options, "type", "string", « "language", "region", "script", "currency", "weekday", "month", "quarter", "dayPeriod", "dateTimeField" », "language").
-  ...
-  15. Let fallback be ? GetOption(options, "fallback", "string", « "code", "none" », "code").
+  12. Let type be ? GetOption(options, "type", "string", « "language", "region", "script", "currency" », undefined).
+  13. If type is undefined, throw a TypeError exception.
   ...
 
   GetOption ( options, property, type, values, fallback )
@@ -36,20 +30,20 @@ locale: [en]
 
 // results for option values verified in the tests for resolvedOptions
 
-var values = [
+const styles = [
   undefined,
   'narrow',
   'short',
   'long'
 ];
 
-for (let valid of values) {
-  let options = {
-    style: valid
-  };
+const types = ['language', 'region', 'script', 'currency'];
 
-  var obj = new Intl.DisplayNames('en', options);
+types.forEach( type => {
+  styles.forEach(style => {
+    var obj = new Intl.DisplayNames('en', { style, type });
 
-  assert(obj instanceof Intl.DisplayNames, `instanceof check - ${valid}`);
-  assert.sameValue(Object.getPrototypeOf(obj), Intl.DisplayNames.prototype, `proto check - ${valid}`);
-}
+    assert(obj instanceof Intl.DisplayNames, `instanceof check - ${style}`);
+    assert.sameValue(Object.getPrototypeOf(obj), Intl.DisplayNames.prototype, `proto check - ${style}`);
+  });
+});
diff --git a/test/intl402/DisplayNames/options-type-valid.js b/test/intl402/DisplayNames/options-type-valid.js
index 22566f335d..4176a83460 100644
--- a/test/intl402/DisplayNames/options-type-valid.js
+++ b/test/intl402/DisplayNames/options-type-valid.js
@@ -6,24 +6,16 @@ esid: sec-Intl.DisplayNames
 description: >
   Valid options for localeMatcher
 info: |
-  Intl.DisplayNames ([ locales [ , options ]])
+  Intl.DisplayNames ( locales , options )
 
   1. If NewTarget is undefined, throw a TypeError exception.
   2. Let displayNames be ? OrdinaryCreateFromConstructor(NewTarget, "%DisplayNamesPrototype%",
     « [[InitializedDisplayNames]], [[Locale]], [[Style]], [[Type]], [[Fallback]], [[Fields]] »).
   ...
-  4. If options is undefined, then
-    a. Let options be ObjectCreate(null).
-  5. Else
-    a. Let options be ? ToObject(options).
+  4. Let options be ? ToObject(options).
   ...
-  8. Let matcher be ? GetOption(options, "localeMatcher", "string", « "lookup", "best fit" », "best fit").
-  ...
-  11. Let style be ? GetOption(options, "style", "string", « "narrow", "short", "long" », "long").
-  ...
-  13. Let type be ? GetOption(options, "type", "string", « "language", "region", "script", "currency" », "language").
-  ...
-  15. Let fallback be ? GetOption(options, "fallback", "string", « "code", "none" », "code").
+  12. Let type be ? GetOption(options, "type", "string", « "language", "region", "script", "currency" », undefined).
+  13. If type is undefined, throw a TypeError exception.
   ...
 
   GetOption ( options, property, type, values, fallback )
@@ -36,21 +28,16 @@ locale: [en]
 
 // results for option values verified in the tests for resolvedOptions
 
-var values = [
-  undefined,
+const types = [
   'language',
   'region',
   'script',
   'currency'
 ];
 
-for (let valid of values) {
-  let options = {
-    type: valid
-  };
+types.forEach(type => {
+  const obj = new Intl.DisplayNames('en', { type });
 
-  var obj = new Intl.DisplayNames('en', options);
-
-  assert(obj instanceof Intl.DisplayNames, `instanceof check - ${valid}`);
-  assert.sameValue(Object.getPrototypeOf(obj), Intl.DisplayNames.prototype, `proto check - ${valid}`);
-}
+  assert(obj instanceof Intl.DisplayNames, `instanceof check - ${type}`);
+  assert.sameValue(Object.getPrototypeOf(obj), Intl.DisplayNames.prototype, `proto check - ${type}`);
+});
diff --git a/test/intl402/DisplayNames/proto-from-ctor-realm.js b/test/intl402/DisplayNames/proto-from-ctor-realm.js
index 97b4723251..3bb808071e 100644
--- a/test/intl402/DisplayNames/proto-from-ctor-realm.js
+++ b/test/intl402/DisplayNames/proto-from-ctor-realm.js
@@ -4,12 +4,14 @@
 esid: sec-Intl.DisplayNames
 description: Default [[Prototype]] value derived from realm of the newTarget
 info: |
-  Intl.DisplayNames ([ locales [ , options ]])
+  Intl.DisplayNames ( locales , options )
 
   1. If NewTarget is undefined, throw a TypeError exception.
   2. Let displayNames be ? OrdinaryCreateFromConstructor(NewTarget, "%DisplayNamesPrototype%",
     « [[InitializedDisplayNames]], [[Locale]], [[Style]], [[Type]], [[Fallback]], [[Fields]] »).
   ...
+  12. Let type be ? GetOption(options, "type", "string", « "language", "region", "script", "currency" », undefined).
+  13. If type is undefined, throw a TypeError exception.
 
   OrdinaryCreateFromConstructor ( constructor, intrinsicDefaultProto [ , internalSlotsList ] )
 
@@ -32,6 +34,6 @@ var other = $262.createRealm().global;
 var C = new other.Function();
 C.prototype = null;
 
-var o = Reflect.construct(Intl.DisplayNames, [], C);
+var o = Reflect.construct(Intl.DisplayNames, [undefined, {type: 'language'}], C);
 
 assert.sameValue(Object.getPrototypeOf(o), other.Intl.DisplayNames.prototype);
diff --git a/test/intl402/DisplayNames/prototype/resolvedOptions/default-option-values.js b/test/intl402/DisplayNames/prototype/resolvedOptions/default-option-values.js
index da1288d094..6ac209a53c 100644
--- a/test/intl402/DisplayNames/prototype/resolvedOptions/default-option-values.js
+++ b/test/intl402/DisplayNames/prototype/resolvedOptions/default-option-values.js
@@ -26,17 +26,17 @@ info: |
   [[Type]]: "type"
   [[Fallback]]: "fallback"
 
-  Intl.DisplayNames ([ locales [ , options ]])
+  Intl.DisplayNames ( locales , options )
 
   ...
-  8. Let matcher be ? GetOption(options, "localeMatcher", "string", « "lookup", "best fit" », "best fit").
+  7. Let matcher be ? GetOption(options, "localeMatcher", "string", « "lookup", "best fit" », "best fit").
   ...
-  10. Let r be ResolveLocale(%DisplayNames%.[[AvailableLocales]], requestedLocales, opt,
+  9. Let r be ResolveLocale(%DisplayNames%.[[AvailableLocales]], requestedLocales, opt,
     %DisplayNames%.[[RelevantExtensionKeys]]).
-  11. Let style be ? GetOption(options, "style", "string", « "narrow", "short", "long" », "long").
+  10. Let style be ? GetOption(options, "style", "string", « "narrow", "short", "long" », "long").
   ...
-  13. Let type be ? GetOption(options, "type", "string", « "language", "region", "script", "currency",
-    "weekday", "month", "quarter", "dayPeriod", "dateTimeField" », "language").
+  12. Let type be ? GetOption(options, "type", "string", « "language", "region", "script", "currency" », undefined).
+  13. If type is undefined, throw a TypeError exception.
   ...
   15. Let fallback be ? GetOption(options, "fallback", "string", « "code", "none" », "code").
   ...
@@ -54,7 +54,7 @@ features: [Intl.DisplayNames]
 includes: [propertyHelper.js]
 ---*/
 
-var dn = new Intl.DisplayNames('en-US');
+var dn = new Intl.DisplayNames('en-US', {type: 'language'});
 
 var options = dn.resolvedOptions();
 
diff --git a/test/intl402/DisplayNames/prototype/resolvedOptions/option-fallback.js b/test/intl402/DisplayNames/prototype/resolvedOptions/option-fallback.js
index a7f1e5f3bd..ddb3e2acc8 100644
--- a/test/intl402/DisplayNames/prototype/resolvedOptions/option-fallback.js
+++ b/test/intl402/DisplayNames/prototype/resolvedOptions/option-fallback.js
@@ -26,17 +26,15 @@ info: |
   [[Type]]: "type"
   [[Fallback]]: "fallback"
 
-  Intl.DisplayNames ([ locales [ , options ]])
+  Intl.DisplayNames ( locales , options )
 
-  ...
-  8. Let matcher be ? GetOption(options, "localeMatcher", "string", « "lookup", "best fit" », "best fit").
   ...
   10. Let r be ResolveLocale(%DisplayNames%.[[AvailableLocales]], requestedLocales, opt,
     %DisplayNames%.[[RelevantExtensionKeys]]).
   11. Let style be ? GetOption(options, "style", "string", « "narrow", "short", "long" », "long").
   ...
-  13. Let type be ? GetOption(options, "type", "string", « "language", "region", "script", "currency",
-    "weekday", "month", "quarter", "dayPeriod", "dateTimeField" », "language").
+  12. Let type be ? GetOption(options, "type", "string", « "language", "region", "script", "currency" », undefined).
+  13. If type is undefined, throw a TypeError exception.
   ...
   15. Let fallback be ? GetOption(options, "fallback", "string", « "code", "none" », "code").
   ...
@@ -54,30 +52,33 @@ features: [Intl.DisplayNames]
 includes: [propertyHelper.js]
 ---*/
 
-var fallbacks = ['code', 'none'];
+const fallbacks = ['code', 'none'];
+const types = ['language', 'region', 'script', 'currency'];
 
-fallbacks.forEach(fallback => {
-  var dn = new Intl.DisplayNames('en-US', { fallback });
-  var options = dn.resolvedOptions();
+types.forEach(type => {
+  fallbacks.forEach(fallback => {
+    const dn = new Intl.DisplayNames('en-US', { fallback, type });
+    const options = dn.resolvedOptions();
 
-  verifyProperty(options, 'fallback', {
-    value: fallback,
-    writable: true,
-    enumerable: true,
-    configurable: true
-  });
-  
-  verifyProperty(options, 'type', {
-    value: 'language',
-    writable: true,
-    enumerable: true,
-    configurable: true
-  });
-  
-  verifyProperty(options, 'style', {
-    value: 'long',
-    writable: true,
-    enumerable: true,
-    configurable: true
+    verifyProperty(options, 'fallback', {
+      value: fallback,
+      writable: true,
+      enumerable: true,
+      configurable: true
+    });
+
+    verifyProperty(options, 'type', {
+      value: type,
+      writable: true,
+      enumerable: true,
+      configurable: true
+    });
+
+    verifyProperty(options, 'style', {
+      value: 'long',
+      writable: true,
+      enumerable: true,
+      configurable: true
+    });
   });
 });
diff --git a/test/intl402/DisplayNames/prototype/resolvedOptions/option-style.js b/test/intl402/DisplayNames/prototype/resolvedOptions/option-style.js
index d80b566b2c..88ca86575d 100644
--- a/test/intl402/DisplayNames/prototype/resolvedOptions/option-style.js
+++ b/test/intl402/DisplayNames/prototype/resolvedOptions/option-style.js
@@ -26,17 +26,17 @@ info: |
   [[Type]]: "type"
   [[Fallback]]: "fallback"
 
-  Intl.DisplayNames ([ locales [ , options ]])
+  Intl.DisplayNames ( locales , options )
 
   ...
   8. Let matcher be ? GetOption(options, "localeMatcher", "string", « "lookup", "best fit" », "best fit").
   ...
   10. Let r be ResolveLocale(%DisplayNames%.[[AvailableLocales]], requestedLocales, opt,
     %DisplayNames%.[[RelevantExtensionKeys]]).
-  11. Let style be ? GetOption(options, "style", "string", « "narrow", "short", "long" », "long").
+  10. Let style be ? GetOption(options, "style", "string", « "narrow", "short", "long" », "long").
   ...
-  13. Let type be ? GetOption(options, "type", "string", « "language", "region", "script", "currency",
-    "weekday", "month", "quarter", "dayPeriod", "dateTimeField" », "language").
+  12. Let type be ? GetOption(options, "type", "string", « "language", "region", "script", "currency" », undefined).
+  13. If type is undefined, throw a TypeError exception.
   ...
   15. Let fallback be ? GetOption(options, "fallback", "string", « "code", "none" », "code").
   ...
@@ -54,30 +54,33 @@ features: [Intl.DisplayNames]
 includes: [propertyHelper.js]
 ---*/
 
-var styles = ['narrow', 'short', 'long'];
+const styles = ['narrow', 'short', 'long'];
+const types = ['language', 'region', 'script', 'currency'];
 
-styles.forEach(style => {
-  var dn = new Intl.DisplayNames('en-US', { style });
-  var options = dn.resolvedOptions();
+types.forEach(type => {
+  styles.forEach(style => {
+    const dn = new Intl.DisplayNames('en-US', { style, type });
+    const options = dn.resolvedOptions();
 
-  verifyProperty(options, 'style', {
-    value: style,
-    writable: true,
-    enumerable: true,
-    configurable: true
-  });
-  
-  verifyProperty(options, 'type', {
-    value: 'language',
-    writable: true,
-    enumerable: true,
-    configurable: true
-  });
-  
-  verifyProperty(options, 'fallback', {
-    value: 'code',
-    writable: true,
-    enumerable: true,
-    configurable: true
+    verifyProperty(options, 'style', {
+      value: style,
+      writable: true,
+      enumerable: true,
+      configurable: true
+    });
+
+    verifyProperty(options, 'type', {
+      value: type,
+      writable: true,
+      enumerable: true,
+      configurable: true
+    });
+
+    verifyProperty(options, 'fallback', {
+      value: 'code',
+      writable: true,
+      enumerable: true,
+      configurable: true
+    });
   });
 });
diff --git a/test/intl402/DisplayNames/prototype/resolvedOptions/return-object.js b/test/intl402/DisplayNames/prototype/resolvedOptions/return-object.js
index 54d7ff2874..89cf012d80 100644
--- a/test/intl402/DisplayNames/prototype/resolvedOptions/return-object.js
+++ b/test/intl402/DisplayNames/prototype/resolvedOptions/return-object.js
@@ -26,17 +26,17 @@ info: |
   [[Type]]: "type"
   [[Fallback]]: "fallback"
 
-  Intl.DisplayNames ([ locales [ , options ]])
+  Intl.DisplayNames ( locales , options )
 
   ...
-  8. Let matcher be ? GetOption(options, "localeMatcher", "string", « "lookup", "best fit" », "best fit").
+  7. Let matcher be ? GetOption(options, "localeMatcher", "string", « "lookup", "best fit" », "best fit").
   ...
-  10. Let r be ResolveLocale(%DisplayNames%.[[AvailableLocales]], requestedLocales, opt,
+  9. Let r be ResolveLocale(%DisplayNames%.[[AvailableLocales]], requestedLocales, opt,
     %DisplayNames%.[[RelevantExtensionKeys]]).
-  11. Let style be ? GetOption(options, "style", "string", « "narrow", "short", "long" », "long").
+  10. Let style be ? GetOption(options, "style", "string", « "narrow", "short", "long" », "long").
   ...
-  13. Let type be ? GetOption(options, "type", "string", « "language", "region", "script", "currency",
-    "weekday", "month", "quarter", "dayPeriod", "dateTimeField" », "language").
+  12. Let type be ? GetOption(options, "type", "string", « "language", "region", "script", "currency" », undefined).
+  13. If type is undefined, throw a TypeError exception.
   ...
   15. Let fallback be ? GetOption(options, "fallback", "string", « "code", "none" », "code").
   ...
@@ -54,10 +54,10 @@ features: [Intl.DisplayNames, Reflect]
 includes: [propertyHelper.js, compareArray.js]
 ---*/
 
-var dn = new Intl.DisplayNames('en-US');
+const dn = new Intl.DisplayNames('en-US', {type: 'language'});
 
-var options = dn.resolvedOptions();
-var other = dn.resolvedOptions();
+const options = dn.resolvedOptions();
+const other = dn.resolvedOptions();
 
 assert.notSameValue(options, other, 'each call returns a new object');
 
@@ -77,7 +77,8 @@ verifyProperty(options, 'locale', {
   configurable: true
 });
 
-var explicit = new Intl.DisplayNames('en', { localeMatcher: 'lookup' }).resolvedOptions();
+const explicit = new Intl.DisplayNames(
+    'en', { localeMatcher: 'lookup', type: 'language' }).resolvedOptions();
 
 assert.sameValue(
   explicit.hasOwnProperty('localeMatcher'),
@@ -85,7 +86,8 @@ assert.sameValue(
   'the localeMatcher option is not set, option was explicitly set'
 );
 
-var extra = new Intl.DisplayNames('en', { chaos: 'yes', random: 'sure', '0': 42 }).resolvedOptions();
+const extra = new Intl.DisplayNames(
+    'en', { chaos: 'yes', random: 'sure', '0': 42, type: 'language' }).resolvedOptions();
 
 assert.compareArray(
   Reflect.ownKeys(extra),