diff --git a/.mocharc.yml b/.mocharc.yml
new file mode 100644
index 00000000..d1d36750
--- /dev/null
+++ b/.mocharc.yml
@@ -0,0 +1,2 @@
+node-option:
+  - "experimental-wasm-modules"
diff --git a/README.md b/README.md
index 0dbf9c1c..ca251240 100644
--- a/README.md
+++ b/README.md
@@ -317,7 +317,6 @@ The following tests are not yet implemented and therefore missing:
 - Mandatory Test 6.1.47
 - Mandatory Test 6.1.48
 - Mandatory Test 6.1.49
-- Mandatory Test 6.1.50
 - Mandatory Test 6.1.53
 - Mandatory Test 6.1.54
 - Mandatory Test 6.1.55
@@ -424,6 +423,7 @@ export const mandatoryTest_6_1_42: DocumentTest
 export const mandatoryTest_6_1_43: DocumentTest
 export const mandatoryTest_6_1_44: DocumentTest
 export const mandatoryTest_6_1_45: DocumentTest
+export const mandatoryTest_6_1_50: DocumentTest
 export const mandatoryTest_6_1_51: DocumentTest
 export const mandatoryTest_6_1_52: DocumentTest
 ```
diff --git a/csaf_2_1/mandatoryTests.js b/csaf_2_1/mandatoryTests.js
index c302572e..9d5c0773 100644
--- a/csaf_2_1/mandatoryTests.js
+++ b/csaf_2_1/mandatoryTests.js
@@ -62,5 +62,6 @@ export { mandatoryTest_6_1_42 } from './mandatoryTests/mandatoryTest_6_1_42.js'
 export { mandatoryTest_6_1_43 } from './mandatoryTests/mandatoryTest_6_1_43.js'
 export { mandatoryTest_6_1_44 } from './mandatoryTests/mandatoryTest_6_1_44.js'
 export { mandatoryTest_6_1_45 } from './mandatoryTests/mandatoryTest_6_1_45.js'
+export { mandatoryTest_6_1_50 } from '../lib/mandatoryTests/mandatoryTest_6_1_50.js'
 export { mandatoryTest_6_1_51 } from './mandatoryTests/mandatoryTest_6_1_51.js'
 export { mandatoryTest_6_1_52 } from './mandatoryTests/mandatoryTest_6_1_52.js'
diff --git a/lib/mandatoryTests/mandatoryTest_6_1_50.js b/lib/mandatoryTests/mandatoryTest_6_1_50.js
new file mode 100644
index 00000000..0a3d6462
--- /dev/null
+++ b/lib/mandatoryTests/mandatoryTest_6_1_50.js
@@ -0,0 +1,115 @@
+import Ajv from 'ajv/dist/jtd.js'
+import { parse } from '@csaf-rs/vers-rs'
+
+const ajv = new Ajv()
+
+const inputSchema = /** @type {const} */ ({
+  additionalProperties: true,
+  optionalProperties: {
+    product_tree: {
+      additionalProperties: true,
+      optionalProperties: {
+        branches: { elements: { additionalProperties: true, properties: {} } },
+      },
+    },
+  },
+})
+
+const branchSchema = /** @type {const} */ ({
+  additionalProperties: true,
+  optionalProperties: {
+    category: { type: 'string' },
+    name: { type: 'string' },
+    branches: { elements: { additionalProperties: true, properties: {} } },
+  },
+})
+
+const validateInput = ajv.compile(inputSchema)
+const validateBranch = ajv.compile(branchSchema)
+
+/**
+ * @param {any} doc
+ */
+export function mandatoryTest_6_1_50(doc) {
+  /** @type {Array<{ message: string; instancePath: string }>} */
+  const errors = []
+
+  if (!validateInput(doc)) {
+    return { isValid: true, errors }
+  }
+
+  let isValid = true
+
+  // Check branches if they exist
+  if (doc.product_tree?.branches) {
+    isValid = checkBranches({
+      path: '/product_tree/branches',
+      branches: doc.product_tree.branches,
+      errors,
+    })
+  }
+
+  return { isValid, errors }
+}
+
+/**
+ * @param {object} params
+ * @param {string} params.path
+ * @param {unknown[]} params.branches
+ * @param {Array<{ message: string; instancePath: string }>} params.errors
+ * @returns {boolean} isValid
+ */
+function checkBranches({ path, branches, errors }) {
+  let isValid = true
+
+  branches.forEach((branch, branchIndex) => {
+    if (!validateBranch(branch)) {
+      return
+    }
+
+    if (
+      branch.category === 'product_version_range' &&
+      typeof branch.name === 'string'
+    ) {
+      const version = branch.name
+
+      if (version.startsWith('vers:')) {
+        const parseResult = parseVers(version)
+        if (!parseResult.ok) {
+          isValid = false
+          errors.push({
+            message: `${parseResult.error}`,
+            instancePath: `${path}/${branchIndex}`,
+          })
+        }
+      } else {
+        // TODO: Vers-like Specifier (VLS) – noch nicht implementiert, da kein Repository vorhanden
+      }
+    }
+
+    // Recursively check nested branches
+    if (Array.isArray(branch.branches)) {
+      const nestedValid = checkBranches({
+        path: `${path}/${branchIndex}/branches`,
+        branches: branch.branches,
+        errors,
+      })
+      if (!nestedValid) isValid = false
+    }
+  })
+
+  return isValid
+}
+
+/**
+ * @param {string} version
+ * @returns {{ ok: true } | { ok: false; error: string }}
+ */
+function parseVers(version) {
+  try {
+    parse(version)
+    return { ok: true }
+  } catch (e) {
+    return { ok: false, error: e instanceof Error ? e.message : String(e) }
+  }
+}
diff --git a/package-lock.json b/package-lock.json
index c2cf33c4..c7479c54 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,6 +9,7 @@
       "version": "2.0.18",
       "license": "MIT",
       "dependencies": {
+        "@csaf-rs/vers-rs": "^0.1.2",
         "@js-joda/core": "^5.6.1",
         "@js-joda/timezone": "^2.18.2",
         "ajv": "^8.11.2",
@@ -49,6 +50,12 @@
         "node": ">=18"
       }
     },
+    "node_modules/@csaf-rs/vers-rs": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/@csaf-rs/vers-rs/-/vers-rs-0.1.2.tgz",
+      "integrity": "sha512-MVk+d8Oxt4ndPYfP2ZCLirAjPGZo9JKrrJ1awaRSz4Yx5SfxjhYY+lqw8DE4cnVYH4Ev8cQNL1X502s/Lq+1uA==",
+      "license": "Apache-2.0"
+    },
     "node_modules/@isaacs/cliui": {
       "version": "8.0.2",
       "resolved": "https://registry.npmjs.org/@isaacs/cliui/-/cliui-8.0.2.tgz",
@@ -1250,9 +1257,9 @@
       }
     },
     "node_modules/serialize-javascript": {
-      "version": "7.0.2",
-      "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-7.0.2.tgz",
-      "integrity": "sha512-Y/agDAqbUWRYFWLF5pMT9Rb8wN5ERPMbQH7oq6R+4YgFdMNO4+ELo4PjFCW3H+2CbXirPr/XUgYT+3iXJfTbZQ==",
+      "version": "7.0.4",
+      "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-7.0.4.tgz",
+      "integrity": "sha512-DuGdB+Po43Q5Jxwpzt1lhyFSYKryqoNjQSA9M92tyw0lyHIOur+XCalOUe0KTJpyqzT8+fQ5A0Jf7vCx/NKmIg==",
       "dev": true,
       "license": "BSD-3-Clause",
       "engines": {
diff --git a/package.json b/package.json
index ae72b356..6e2f57c6 100644
--- a/package.json
+++ b/package.json
@@ -5,6 +5,7 @@
   "scripts": {
     "pretest": "tsc -b .",
     "test": "prettier --check . && node scripts/test.js",
+    "test-vers": "node --experimental-wasm-modules csaf_2_1/test-vers-integration.js",
     "pretest-report": "tsc -b .",
     "test-report": "prettier --check . && node scripts/test.js --reporter json > test-results.json",
     "test-coverage": "c8 node scripts/test.js",
@@ -23,6 +24,7 @@
     "access": "public"
   },
   "dependencies": {
+    "@csaf-rs/vers-rs": "^0.1.2",
     "@js-joda/core": "^5.6.1",
     "@js-joda/timezone": "^2.18.2",
     "ajv": "^8.11.2",
diff --git a/tests/csaf_2_1/oasis.js b/tests/csaf_2_1/oasis.js
index b0a39ebf..4f4a78b7 100644
--- a/tests/csaf_2_1/oasis.js
+++ b/tests/csaf_2_1/oasis.js
@@ -23,7 +23,6 @@ const excluded = [
   '6.1.47',
   '6.1.48',
   '6.1.49',
-  '6.1.50',
   '6.1.53',
   '6.1.54',
   '6.1.55',