diff --git a/README.md b/README.md
index 174b7633..5c90c51f 100644
--- a/README.md
+++ b/README.md
@@ -460,6 +460,7 @@ export const recommendedTest_6_2_28: DocumentTest
 export const recommendedTest_6_2_29: DocumentTest
 export const recommendedTest_6_2_30: DocumentTest
 export const recommendedTest_6_2_39_2: DocumentTest
+export const recommendedTest_6_2_39_3: DocumentTest
 export const recommendedTest_6_2_40: DocumentTest
 export const recommendedTest_6_2_43: DocumentTest
 ```
diff --git a/csaf_2_1/recommendedTests.js b/csaf_2_1/recommendedTests.js
index 9d9bd13f..b76f4d64 100644
--- a/csaf_2_1/recommendedTests.js
+++ b/csaf_2_1/recommendedTests.js
@@ -36,5 +36,6 @@ export { recommendedTest_6_2_29 } from './recommendedTests/recommendedTest_6_2_2
 export { recommendedTest_6_2_30 } from './recommendedTests/recommendedTest_6_2_30.js'
 export { recommendedTest_6_2_38 } from './recommendedTests/recommendedTest_6_2_38.js'
 export { recommendedTest_6_2_39_2 } from './recommendedTests/recommendedTest_6_2_39_2.js'
+export { recommendedTest_6_2_39_3 } from './recommendedTests/recommendedTest_6_2_39_3.js'
 export { recommendedTest_6_2_40 } from './recommendedTests/recommendedTest_6_2_40.js'
 export { recommendedTest_6_2_43 } from './recommendedTests/recommendedTest_6_2_43.js'
diff --git a/csaf_2_1/recommendedTests/recommendedTest_6_2_39_3.js b/csaf_2_1/recommendedTests/recommendedTest_6_2_39_3.js
new file mode 100644
index 00000000..ec68d777
--- /dev/null
+++ b/csaf_2_1/recommendedTests/recommendedTest_6_2_39_3.js
@@ -0,0 +1,111 @@
+import Ajv from 'ajv/dist/jtd.js'
+import {
+  containsOneNoteWithTitleAndCategory,
+  getTranslationInDocumentLang,
+  isLangSpecifiedAndNotEnglish,
+} from '../../lib/shared/languageSpecificTranslation.js'
+
+const ajv = new Ajv()
+
+/*
+  This is the jtd schema that needs to match the input document so that the
+  test is activated. If this schema doesn't match it normally means that the input
+  document does not validate against the csaf json schema or optional fields that
+  the test checks are not present.
+ */
+const inputSchema = /** @type {const} */ ({
+  additionalProperties: true,
+  properties: {
+    document: {
+      additionalProperties: true,
+      properties: {
+        category: { type: 'string' },
+      },
+      optionalProperties: {
+        lang: {
+          type: 'string',
+        },
+        notes: {
+          elements: {
+            additionalProperties: true,
+            optionalProperties: {
+              category: {
+                type: 'string',
+              },
+              title: {
+                type: 'string',
+              },
+            },
+          },
+        },
+      },
+    },
+  },
+})
+
+const validateSchema = ajv.compile(inputSchema)
+
+/**
+ * If the document language is specified but not English, it MUST be tested that exactly one item
+ * in document notes exists that has the language specific translation of the term Reasoning for Supersession as title,
+ * The category of this item MUST be description. If no language specific translation has been recorded,
+ *  the test MUST be skipped and output an information to the user that no such translation is known.
+ *
+ * @param {unknown} doc
+ */
+export function recommendedTest_6_2_39_3(doc) {
+  /*
+      The `ctx` variable holds the state that is accumulated during the test run and is
+      finally returned by the function.
+     */
+  /** @type { {warnings: Array<{ message: string; instancePath: string }>;
+   * infos: Array<{ message: string; instancePath: string }>}} */
+  const ctx = {
+    warnings: [],
+    infos: [],
+  }
+
+  const noteCategory = 'description'
+  const documentCategoryCsafSuperseded = `csaf_superseded`
+
+  if (
+    !validateSchema(doc) ||
+    doc.document.category !== documentCategoryCsafSuperseded
+  ) {
+    return ctx
+  }
+
+  const supersessionInDocLang = getTranslationInDocumentLang(
+    doc,
+    'reasoning_for_supersession'
+  )
+  if (!supersessionInDocLang) {
+    ctx.infos.push({
+      instancePath: '/document/notes',
+      message:
+        'no language specific translation for "Reasoning for Supersession" has been recorded',
+    })
+    return ctx
+  }
+
+  if (isLangSpecifiedAndNotEnglish(doc.document.lang)) {
+    const notes = doc.document.notes
+    if (
+      !notes ||
+      !containsOneNoteWithTitleAndCategory(
+        notes,
+        supersessionInDocLang,
+        noteCategory
+      )
+    ) {
+      ctx.warnings.push({
+        instancePath: '/document/notes',
+        message:
+          `for document category "${documentCategoryCsafSuperseded}" exactly one note must exist ` +
+          `with note category "${noteCategory}" and title "${supersessionInDocLang}"`,
+      })
+    }
+  }
+
+  return ctx
+}
diff --git a/tests/csaf_2_1/oasis.js b/tests/csaf_2_1/oasis.js
index 9d6985ec..e2f8592c 100644
--- a/tests/csaf_2_1/oasis.js
+++ b/tests/csaf_2_1/oasis.js
@@ -41,7 +41,6 @@ const excluded = [
   '6.2.36',
   '6.2.37',
   '6.2.39.1',
-  '6.2.39.3',
   '6.2.39.4',
   '6.2.41',
   '6.2.42',
diff --git a/tests/csaf_2_1/recommendedTest_6_2_39_3.js b/tests/csaf_2_1/recommendedTest_6_2_39_3.js
new file mode 100644
index 00000000..d50707ea
--- /dev/null
+++ b/tests/csaf_2_1/recommendedTest_6_2_39_3.js
@@ -0,0 +1,53 @@
+import { recommendedTest_6_2_39_3 } from '../../csaf_2_1/recommendedTests/recommendedTest_6_2_39_3.js'
+import { expect } from 'chai'
+import assert from 'node:assert'
+import { getTranslationInDocumentLang } from '../../lib/shared/languageSpecificTranslation.js'
+import { recommendedTest_6_2_39_2 } from '../../csaf_2_1/recommendedTests/recommendedTest_6_2_39_2.js'
+
+describe('recommendedTest_6_2_39_3', function () {
+  it('only runs on relevant documents', function () {
+    assert.equal(recommendedTest_6_2_39_3({}).warnings.length, 0)
+  })
+
+  it('only runs on valid category', function () {
+    const result = recommendedTest_6_2_39_3({
+      document: { category: '123', license_expression: 'MIT' },
+    })
+
+    assert.equal(result.warnings.length, 0)
+    assert.equal(result.infos.length, 0)
+  })
+
+  it('info on invalid language', function () {
+    const result = recommendedTest_6_2_39_3({
+      document: {
+        category: 'csaf_superseded',
+        lang: '123',
+        license_expression: 'MIT',
+      },
+    })
+    assert.equal(result.warnings.length, 0)
+    assert.equal(result.infos.length, 1)
+  })
+
+  it('check get reasoning_for_supersession in document lang', function () {
+    expect(
+      getTranslationInDocumentLang(
+        { document: { lang: 'de' } },
+        'reasoning_for_supersession'
+      )
+    ).to.eq('Begründung für die Ersetzung')
+    expect(
+      getTranslationInDocumentLang(
+        { document: { lang: 'jp' } },
+        'reasoning_for_supersession'
+      )
+    ).to.eq(undefined)
+    expect(
+      getTranslationInDocumentLang(
+        { document: {} },
+        'reasoning_for_supersession'
+      )
+    ).to.eq(undefined)
+  })
+})