diff --git a/modules/smartadserverBidAdapter.js b/modules/smartadserverBidAdapter.js
index a90f99da2f7..840ba8a82aa 100644
--- a/modules/smartadserverBidAdapter.js
+++ b/modules/smartadserverBidAdapter.js
@@ -1,4 +1,14 @@
-import { deepAccess, deepClone, isArrayOfNums, isFn, isInteger, isPlainObject, logError } from '../src/utils.js';
+import {
+  deepAccess,
+  deepClone,
+  isArray,
+  isArrayOfNums,
+  isEmpty,
+  isFn,
+  isInteger,
+  isPlainObject,
+  logError
+} from '../src/utils.js';
 import { BANNER, VIDEO } from '../src/mediaTypes.js';
 import { config } from '../src/config.js';
 import { registerBidder } from '../src/adapters/bidderFactory.js';
@@ -204,6 +214,11 @@ export const spec = {
         payload.gpid = gpid;
       }
 
+      const dsa = deepAccess(bid, 'ortb2.regs.ext.dsa');
+      if (dsa) {
+        payload.dsa = dsa;
+      }
+
       if (bidderRequest) {
         if (bidderRequest.gdprConsent) {
           payload.addtl_consent = bidderRequest.gdprConsent.addtlConsent;
@@ -285,7 +300,10 @@ export const spec = {
           netRevenue: response.isNetCpm,
           ttl: response.ttl,
           dspPixels: response.dspPixels,
-          meta: { advertiserDomains: response.adomain ? response.adomain : [] }
+          meta: {
+            ...isArray(response.adomain) && !isEmpty(response.adomain) ? { advertiserDomains: response.adomain } : {},
+            ...!isEmpty(response.dsa) ? { dsa: response.dsa } : {}
+          }
         };
 
         if (bidRequest.mediaType === VIDEO) {
diff --git a/test/spec/modules/smartadserverBidAdapter_spec.js b/test/spec/modules/smartadserverBidAdapter_spec.js
index 2f06331f616..08b9f616551 100644
--- a/test/spec/modules/smartadserverBidAdapter_spec.js
+++ b/test/spec/modules/smartadserverBidAdapter_spec.js
@@ -465,6 +465,32 @@ describe('Smart bid adapter tests', function () {
     });
   });
 
+  it('Verify metadata', function () {
+    const adomain = ['advertiser-domain.com'];
+    const dsa = {
+      dsarequired: 1,
+      pubrender: 0,
+      datatopub: 1,
+      transparency: [{
+        domain: 'smartadserver.com',
+        dsaparams: [1, 2]
+      }]
+    };
+    const request = spec.buildRequests(DEFAULT_PARAMS);
+    const bids = spec.interpretResponse({
+      body: {
+        ...BID_RESPONSE.body,
+        adomain,
+        dsa,
+      }
+    }, request[0]);
+
+    expect(bids[0].cpm).to.equal(12);
+    expect(bids[0]).to.have.property('meta');
+    expect(bids[0].meta).to.have.property('advertiserDomains').and.to.deep.equal(adomain);
+    expect(bids[0].meta).to.have.property('dsa').and.to.deep.equal(dsa);
+  });
+
   describe('gdpr tests', function () {
     afterEach(function () {
       config.setConfig({ ortb2: undefined });
@@ -1512,6 +1538,38 @@ describe('Smart bid adapter tests', function () {
     });
   });
 
+  describe('Digital Services Act (DSA)', function () {
+    it('should include dsa if ortb2.regs.ext.dsa available', function () {
+      const dsa = {
+        dsarequired: 1,
+        pubrender: 0,
+        datatopub: 1,
+        transparency: [
+          {
+            domain: 'ok.domain.com',
+            dsaparams: [1, 2]
+          },
+          {
+            domain: 'ko.domain.com',
+            dsaparams: [1, '3']
+          }
+        ]
+      };
+
+      const bidRequests = deepClone(DEFAULT_PARAMS_WO_OPTIONAL);
+      bidRequests[0].ortb2 = {
+        regs: {
+          ext: { dsa }
+        }
+      };
+
+      const request = spec.buildRequests(bidRequests);
+      const requestContent = JSON.parse(request[0].data);
+
+      expect(requestContent).to.have.property('dsa').and.to.deep.equal(dsa);
+    });
+  });
+
   describe('#getValuableProperty method', function () {
     it('should return an object when calling with a number value', () => {
       const obj = spec.getValuableProperty('prop', 3);