diff --git a/packages/localize/src/tools/src/extract/translation_files/xliff2_translation_serializer.ts b/packages/localize/src/tools/src/extract/translation_files/xliff2_translation_serializer.ts
index 4dd7e4f4a2824..6dafa6a5d5dc6 100644
--- a/packages/localize/src/tools/src/extract/translation_files/xliff2_translation_serializer.ts
+++ b/packages/localize/src/tools/src/extract/translation_files/xliff2_translation_serializer.ts
@@ -51,7 +51,7 @@ export class Xliff2TranslationSerializer implements TranslationSerializer {
       }
       ids.add(id);
       xml.startTag('unit', {id});
-      if (message.meaning || message.description) {
+      if (message.meaning || message.description || message.location) {
         xml.startTag('notes');
         if (message.location) {
           const {file, start, end} = message.location;
diff --git a/packages/localize/src/tools/test/extract/integration/main_spec.ts b/packages/localize/src/tools/test/extract/integration/main_spec.ts
index 3f69a2d22f215..07f89aa5c4540 100644
--- a/packages/localize/src/tools/test/extract/integration/main_spec.ts
+++ b/packages/localize/src/tools/test/extract/integration/main_spec.ts
@@ -220,31 +220,49 @@ runInEachFileSystem(() => {
             `<xliff version="2.0" xmlns="urn:oasis:names:tc:xliff:document:2.0" srcLang="en-AU">`,
             `  <file id="ngi18n" original="ng.template">`,
             `    <unit id="3291030485717846467">`,
+            `      <notes>`,
+            `        <note category="location">test_files/test.js:2</note>`,
+            `      </notes>`,
             `      <segment>`,
             `        <source>Hello, <ph id="0" equiv="PH" disp="name"/>!</source>`,
             `      </segment>`,
             `    </unit>`,
             `    <unit id="8669027859022295761">`,
+            `      <notes>`,
+            `        <note category="location">test_files/test.js:3</note>`,
+            `      </notes>`,
             `      <segment>`,
             `        <source>try<ph id="0" equiv="PH" disp="40 + 2"/>me</source>`,
             `      </segment>`,
             `    </unit>`,
             `    <unit id="custom-id">`,
+            `      <notes>`,
+            `        <note category="location">test_files/test.js:4</note>`,
+            `      </notes>`,
             `      <segment>`,
             `        <source>Custom id message</source>`,
             `      </segment>`,
             `    </unit>`,
             `    <unit id="${useLegacyIds ? '12345678901234567890' : '273296103957933077'}">`,
+            `      <notes>`,
+            `        <note category="location">test_files/test.js:6</note>`,
+            `      </notes>`,
             `      <segment>`,
             `        <source>Legacy id message</source>`,
             `      </segment>`,
             `    </unit>`,
             `    <unit id="custom-id-2">`,
+            `      <notes>`,
+            `        <note category="location">test_files/test.js:8</note>`,
+            `      </notes>`,
             `      <segment>`,
             `        <source>Custom and legacy message</source>`,
             `      </segment>`,
             `    </unit>`,
             `    <unit id="2932901491976224757">`,
+            `      <notes>`,
+            `        <note category="location">test_files/test.js:9,10</note>`,
+            `      </notes>`,
             `      <segment>`,
             `        <source>pre<pc id="0" equivStart="START_TAG_SPAN" equivEnd="CLOSE_TAG_SPAN" dispStart="&apos;&lt;span&gt;&apos;" dispEnd="&apos;&lt;/span&gt;&apos;">` +
                 `inner-pre<pc id="1" equivStart="START_BOLD_TEXT" equivEnd="CLOSE_BOLD_TEXT" dispStart="&apos;&lt;b&gt;&apos;" dispEnd="&apos;&lt;/b&gt;&apos;">bold</pc>` +
diff --git a/packages/localize/src/tools/test/extract/translation_files/xliff1_translation_serializer_spec.ts b/packages/localize/src/tools/test/extract/translation_files/xliff1_translation_serializer_spec.ts
index f421850a3270e..4a9e8baa89594 100644
--- a/packages/localize/src/tools/test/extract/translation_files/xliff1_translation_serializer_spec.ts
+++ b/packages/localize/src/tools/test/extract/translation_files/xliff1_translation_serializer_spec.ts
@@ -49,6 +49,13 @@ runInEachFileSystem(() => {
             mockMessage(
                 '67890', ['a', '', 'c'], ['START_TAG_SPAN', 'CLOSE_TAG_SPAN'],
                 {description: 'some description'}),
+            mockMessage('38705', ['a', '', 'c'], ['START_TAG_SPAN', 'CLOSE_TAG_SPAN'], {
+              location: {
+                file: absoluteFrom('/project/file.ts'),
+                start: {line: 2, column: 7},
+                end: {line: 3, column: 2}
+              }
+            }),
             mockMessage('13579', ['', 'b', ''], ['START_BOLD_TEXT', 'CLOSE_BOLD_TEXT'], {}),
             mockMessage('24680', ['a'], [], {meaning: 'meaning', description: 'and description'}),
             mockMessage('80808', ['multi\nlines'], [], {}),
@@ -91,6 +98,13 @@ runInEachFileSystem(() => {
             `        <source>a<x id="START_TAG_SPAN"/><x id="CLOSE_TAG_SPAN"/>c</source>`,
             `        <note priority="1" from="description">some description</note>`,
             `      </trans-unit>`,
+            `      <trans-unit id="38705" datatype="html">`,
+            `        <source>a<x id="START_TAG_SPAN"/><x id="CLOSE_TAG_SPAN"/>c</source>`,
+            `        <context-group purpose="location">`,
+            `          <context context-type="sourcefile">file.ts</context>`,
+            `          <context context-type="linenumber">3,4</context>`,
+            `        </context-group>`,
+            `      </trans-unit>`,
             `      <trans-unit id="13579" datatype="html">`,
             `        <source><x id="START_BOLD_TEXT"/>b<x id="CLOSE_BOLD_TEXT"/></source>`,
             `      </trans-unit>`,
diff --git a/packages/localize/src/tools/test/extract/translation_files/xliff2_translation_serializer_spec.ts b/packages/localize/src/tools/test/extract/translation_files/xliff2_translation_serializer_spec.ts
index d783e0ce9f914..d01b6d0ca3f40 100644
--- a/packages/localize/src/tools/test/extract/translation_files/xliff2_translation_serializer_spec.ts
+++ b/packages/localize/src/tools/test/extract/translation_files/xliff2_translation_serializer_spec.ts
@@ -54,6 +54,13 @@ runInEachFileSystem(() => {
                 end: {line: 3, column: 2}
               }
             }),
+            mockMessage('location-only', ['a', '', 'c'], ['START_TAG_SPAN', 'CLOSE_TAG_SPAN'], {
+              location: {
+                file: absoluteFrom('/project/file.ts'),
+                start: {line: 2, column: 7},
+                end: {line: 3, column: 2}
+              }
+            }),
             mockMessage('13579', ['', 'b', ''], ['START_BOLD_TEXT', 'CLOSE_BOLD_TEXT'], {}),
             mockMessage('24680', ['a'], [], {meaning: 'meaning', description: 'and description'}),
             mockMessage('80808', ['multi\nlines'], [], {}),
@@ -101,6 +108,14 @@ runInEachFileSystem(() => {
             `        <source>a<pc id="0" equivStart="START_TAG_SPAN" equivEnd="CLOSE_TAG_SPAN"></pc>c</source>`,
             `      </segment>`,
             `    </unit>`,
+            `    <unit id="location-only">`,
+            `      <notes>`,
+            `        <note category="location">file.ts:3,4</note>`,
+            `      </notes>`,
+            `      <segment>`,
+            `        <source>a<pc id="0" equivStart="START_TAG_SPAN" equivEnd="CLOSE_TAG_SPAN"></pc>c</source>`,
+            `      </segment>`,
+            `    </unit>`,
             `    <unit id="13579">`,
             `      <segment>`,
             `        <source><pc id="0" equivStart="START_BOLD_TEXT" equivEnd="CLOSE_BOLD_TEXT">b</pc></source>`,