diff --git a/ilc/common/SdkOptions.js b/ilc/common/SdkOptions.js
index a6a06590..2b864d90 100644
--- a/ilc/common/SdkOptions.js
+++ b/ilc/common/SdkOptions.js
@@ -12,14 +12,14 @@ class SdkOptions {
     }
 
     toJSON() {
-        if (!this.#i18n) {
-            return undefined;
-        }
-
-        return {
+        const json = {
             i18n: this.#i18n,
             cssBundle: this.#cssBundle,
         };
+
+        const allValuesUndefined = Object.values(json).every((value) => value === undefined);
+
+        return allValuesUndefined ? undefined : json;
     }
 }
 
diff --git a/ilc/common/SdkOptions.spec.js b/ilc/common/SdkOptions.spec.js
new file mode 100644
index 00000000..dd83da1a
--- /dev/null
+++ b/ilc/common/SdkOptions.spec.js
@@ -0,0 +1,72 @@
+const { expect } = require('chai');
+const { SdkOptions } = require('./SdkOptions');
+
+describe('SdkOptions Class', () => {
+    it('should return i18n and cssBundle when both are provided', () => {
+        const params = {
+            i18n: { manifestPath: '/path/to/manifest' },
+            cssBundle: '/path/to/cssBundle',
+        };
+        const sdkOptions = new SdkOptions(params);
+
+        const result = sdkOptions.toJSON();
+        expect(result).to.deep.equal({
+            i18n: params.i18n,
+            cssBundle: params.cssBundle,
+        });
+    });
+
+    it('should return only i18n when cssBundle is not provided', () => {
+        const params = {
+            i18n: { manifestPath: '/path/to/manifest' },
+        };
+        const sdkOptions = new SdkOptions(params);
+
+        const result = sdkOptions.toJSON();
+        expect(result).to.deep.equal({
+            i18n: params.i18n,
+            cssBundle: undefined,
+        });
+    });
+
+    it('should return only cssBundle when i18n is not provided', () => {
+        const params = {
+            cssBundle: '/path/to/cssBundle',
+        };
+        const sdkOptions = new SdkOptions(params);
+
+        const result = sdkOptions.toJSON();
+        expect(result).to.deep.equal({
+            i18n: undefined,
+            cssBundle: params.cssBundle,
+        });
+    });
+
+    it('should return undefined when no params are provided', () => {
+        const sdkOptions = new SdkOptions();
+
+        const result = sdkOptions.toJSON();
+        expect(result).to.be.undefined;
+    });
+
+    it('should return undefined when i18n does not have manifestPath and cssBundle is not provided', () => {
+        const params = {
+            i18n: {},
+        };
+        const sdkOptions = new SdkOptions(params);
+
+        const result = sdkOptions.toJSON();
+        expect(result).to.be.undefined;
+    });
+
+    it('should return undefined when both i18n and cssBundle are undefined', () => {
+        const params = {
+            i18n: undefined,
+            cssBundle: undefined,
+        };
+        const sdkOptions = new SdkOptions(params);
+
+        const result = sdkOptions.toJSON();
+        expect(result).to.be.undefined;
+    });
+});