diff --git a/packages/apidom-converter/src/strategies/openapi-3-1-to-openapi-3-0-3/index.ts b/packages/apidom-converter/src/strategies/openapi-3-1-to-openapi-3-0-3/index.ts
index a78cdcbb7..a4c76b15a 100644
--- a/packages/apidom-converter/src/strategies/openapi-3-1-to-openapi-3-0-3/index.ts
+++ b/packages/apidom-converter/src/strategies/openapi-3-1-to-openapi-3-0-3/index.ts
@@ -23,6 +23,7 @@ import securityRequirementsEmptyRolesRefractorPlugin from './refractor-plugins/s
 import type { ConverterOptions } from '../../options';
 import createToolbox from './toolbox';
 import infoSummaryRefractorPlugin from './refractor-plugins/info-summary';
+import licenseIdentifierRefractorPlugin from './refractor-plugins/license-identifier';
 
 // eslint-disable-next-line @typescript-eslint/naming-convention
 const openAPI3_0_3MediaTypes = [
@@ -65,6 +66,7 @@ class OpenAPI31ToOpenAPI30ConvertStrategy extends ConvertStrategy {
         securitySchemeTypeRefractorPlugin({ annotations }),
         securityRequirementsEmptyRolesRefractorPlugin({ annotations }),
         infoSummaryRefractorPlugin({ annotations }),
+        licenseIdentifierRefractorPlugin({ annotations }),
       ],
       {
         toolboxCreator: createToolbox,
diff --git a/packages/apidom-converter/src/strategies/openapi-3-1-to-openapi-3-0-3/refractor-plugins/license-identifier.ts b/packages/apidom-converter/src/strategies/openapi-3-1-to-openapi-3-0-3/refractor-plugins/license-identifier.ts
new file mode 100644
index 000000000..a451c35e7
--- /dev/null
+++ b/packages/apidom-converter/src/strategies/openapi-3-1-to-openapi-3-0-3/refractor-plugins/license-identifier.ts
@@ -0,0 +1,31 @@
+import { LicenseElement } from '@swagger-api/apidom-ns-openapi-3-1';
+import { AnnotationElement } from '@swagger-api/apidom-core';
+
+type LicenseIdentifierPluginOptions = {
+  annotations: AnnotationElement[];
+};
+
+const licenseIdentifierRefractorPlugin =
+  ({ annotations }: LicenseIdentifierPluginOptions) =>
+  () => {
+    const annotation = new AnnotationElement(
+      'The "identifier" field of License Object is not supported in OpenAPI 3.0.3. It has been removed from the converted document.',
+      { classes: ['warning'] },
+      { code: 'license-identifier' },
+    );
+
+    return {
+      visitor: {
+        LicenseElement(element: LicenseElement) {
+          if (!element.hasKey('identifier')) return undefined;
+
+          annotations.push(annotation);
+          element.remove('identifier');
+
+          return undefined;
+        },
+      },
+    };
+  };
+
+export default licenseIdentifierRefractorPlugin;
diff --git a/packages/apidom-converter/test/strategies/openapi-3-1-to-openapi-3-0-3/refractor-plugins/license-identifier/__snapshots__/index.ts.snap b/packages/apidom-converter/test/strategies/openapi-3-1-to-openapi-3-0-3/refractor-plugins/license-identifier/__snapshots__/index.ts.snap
new file mode 100644
index 000000000..4564ee050
--- /dev/null
+++ b/packages/apidom-converter/test/strategies/openapi-3-1-to-openapi-3-0-3/refractor-plugins/license-identifier/__snapshots__/index.ts.snap
@@ -0,0 +1,14 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`converter strategies openapi-3-1-to-openapi-3-0-3 license-identifier should remove License.identifier field 1`] = `
+{
+  "openapi": "3.0.3",
+  "info": {
+    "title": "foo",
+    "version": "1.0.0",
+    "license": {
+      "name": "Apache 2.0"
+    }
+  }
+}
+`;
diff --git a/packages/apidom-converter/test/strategies/openapi-3-1-to-openapi-3-0-3/refractor-plugins/license-identifier/fixtures/license-identifier.json b/packages/apidom-converter/test/strategies/openapi-3-1-to-openapi-3-0-3/refractor-plugins/license-identifier/fixtures/license-identifier.json
new file mode 100644
index 000000000..129da658c
--- /dev/null
+++ b/packages/apidom-converter/test/strategies/openapi-3-1-to-openapi-3-0-3/refractor-plugins/license-identifier/fixtures/license-identifier.json
@@ -0,0 +1,11 @@
+{
+  "openapi": "3.1.0",
+  "info": {
+    "title": "foo",
+    "version": "1.0.0",
+    "license": {
+      "name": "Apache 2.0",
+      "identifier": "Apache-2.0"
+    }
+  }
+}
\ No newline at end of file
diff --git a/packages/apidom-converter/test/strategies/openapi-3-1-to-openapi-3-0-3/refractor-plugins/license-identifier/index.ts b/packages/apidom-converter/test/strategies/openapi-3-1-to-openapi-3-0-3/refractor-plugins/license-identifier/index.ts
new file mode 100644
index 000000000..e5c88055a
--- /dev/null
+++ b/packages/apidom-converter/test/strategies/openapi-3-1-to-openapi-3-0-3/refractor-plugins/license-identifier/index.ts
@@ -0,0 +1,46 @@
+import path from 'node:path';
+import { expect, assert } from 'chai';
+import { mediaTypes as openAPI31MediaTypes } from '@swagger-api/apidom-parser-adapter-openapi-json-3-1';
+import { mediaTypes as openAPI30MediaTypes } from '@swagger-api/apidom-parser-adapter-openapi-json-3-0';
+import {
+  AnnotationElement,
+  ParseResultElement,
+  toJSON,
+  includesClasses,
+} from '@swagger-api/apidom-core';
+
+import convert from '../../../../../src';
+
+describe('converter', function () {
+  context('strategies', function () {
+    context('openapi-3-1-to-openapi-3-0-3', function () {
+      context('license-identifier', function () {
+        const fixturePath = path.join(__dirname, 'fixtures', 'license-identifier.json');
+        let convertedParseResult: ParseResultElement;
+
+        beforeEach(async function () {
+          convertedParseResult = await convert(fixturePath, {
+            convert: {
+              sourceMediaType: openAPI31MediaTypes.findBy('3.1.0', 'json'),
+              targetMediaType: openAPI30MediaTypes.findBy('3.0.3', 'json'),
+            },
+          });
+        });
+
+        specify('should remove License.identifier field', async function () {
+          expect(toJSON(convertedParseResult.api!, undefined, 2)).toMatchSnapshot();
+        });
+
+        specify('should create WARNING annotation', async function () {
+          const annotations = Array.from(convertedParseResult.annotations);
+          const annotation = annotations.find((a: AnnotationElement) =>
+            a.code?.equals('license-identifier'),
+          );
+
+          assert.isDefined(annotation);
+          assert.isTrue(includesClasses(['warning'], annotation));
+        });
+      });
+    });
+  });
+});