diff --git a/modules/bridBidAdapter.js b/modules/bridBidAdapter.js
index c822f4d5c80..c9840ad57f8 100644
--- a/modules/bridBidAdapter.js
+++ b/modules/bridBidAdapter.js
@@ -100,7 +100,9 @@ export const spec = {
       };
 
       if (bidRequests[0].schain) {
-        postBody.schain = bidRequests[0].schain;
+        postBody.source = {
+          ext: { schain: bidRequests[0].schain }
+        };
       }
 
       const params = bid.params;
diff --git a/modules/targetVideoBidAdapter.js b/modules/targetVideoBidAdapter.js
index b01e3dddab3..c149e80749d 100644
--- a/modules/targetVideoBidAdapter.js
+++ b/modules/targetVideoBidAdapter.js
@@ -99,7 +99,9 @@ export const spec = {
             };
 
             if (bidRequests[0].schain) {
-              payload.schain = bidRequests[0].schain;
+              payload.source = {
+                ext: { schain: bidRequests[0].schain }
+              };
             }
 
             requests.push(formatRequest({ payload, url: VIDEO_ENDPOINT_URL, bidId }));
diff --git a/test/spec/modules/bridBidAdapter_spec.js b/test/spec/modules/bridBidAdapter_spec.js
index fdda6d840e8..20a6542707b 100644
--- a/test/spec/modules/bridBidAdapter_spec.js
+++ b/test/spec/modules/bridBidAdapter_spec.js
@@ -1,5 +1,6 @@
 import { spec } from '../../../modules/bridBidAdapter.js'
 import { SYNC_URL } from '../../../libraries/targetVideoUtils/constants.js';
+import { deepClone } from '../../../src/utils.js';
 
 describe('Brid Bid Adapter', function() {
   const videoRequest = [{
@@ -37,6 +38,29 @@ describe('Brid Bid Adapter', function() {
     expect(payload.imp[0].ext.prebid.storedrequest.id).to.equal(12345);
   });
 
+  it('Test the request schain sending', function() {
+    const globalSchain = {
+      ver: '1.0',
+      complete: 1,
+      nodes: [{
+        asi: 'examplewebsite.com',
+        sid: '00001',
+        hp: 1
+      }]
+    };
+
+    let videoRequestCloned = deepClone(videoRequest);
+    videoRequestCloned[0].schain = globalSchain;
+
+    const request = spec.buildRequests(videoRequestCloned, videoRequestCloned[0]);
+    expect(request).to.not.be.empty;
+
+    const payload = JSON.parse(request[0].data);
+    expect(payload).to.not.be.empty;
+    expect(payload.source.ext.schain).to.exist;
+    expect(payload.source.ext.schain).to.deep.equal(globalSchain);
+  });
+
   it('Test nobid responses', function () {
     const responseBody = {
       'id': 'test-id',
diff --git a/test/spec/modules/targetVideoBidAdapter_spec.js b/test/spec/modules/targetVideoBidAdapter_spec.js
index 61df5413862..f2c59d29031 100644
--- a/test/spec/modules/targetVideoBidAdapter_spec.js
+++ b/test/spec/modules/targetVideoBidAdapter_spec.js
@@ -1,5 +1,6 @@
 import { spec } from '../../../modules/targetVideoBidAdapter.js'
 import { SYNC_URL } from '../../../libraries/targetVideoUtils/constants.js';
+import { deepClone } from '../../../src/utils.js';
 
 describe('TargetVideo Bid Adapter', function() {
   const bidder = 'targetVideo';
@@ -7,6 +8,10 @@ describe('TargetVideo Bid Adapter', function() {
     placementId: 12345,
   };
 
+  const defaultBidderRequest = {
+    bidderRequestId: 'mock-uuid',
+  };
+
   const bannerRequest = [{
     bidder,
     params,
@@ -38,7 +43,7 @@ describe('TargetVideo Bid Adapter', function() {
   });
 
   it('Test the BANNER request processing function', function() {
-    const request = spec.buildRequests(bannerRequest, bannerRequest[0]);
+    const request = spec.buildRequests(bannerRequest, defaultBidderRequest);
     expect(request).to.not.be.empty;
 
     const payload = JSON.parse(request.data);
@@ -53,7 +58,7 @@ describe('TargetVideo Bid Adapter', function() {
   });
 
   it('Test the VIDEO request processing function', function() {
-    const request = spec.buildRequests(videoRequest, videoRequest[0]);
+    const request = spec.buildRequests(videoRequest, defaultBidderRequest);
     expect(request).to.not.be.empty;
 
     const payload = JSON.parse(request[0].data);
@@ -65,6 +70,29 @@ describe('TargetVideo Bid Adapter', function() {
     expect(payload.imp[0].ext.prebid.storedrequest.id).to.equal(12345);
   })
 
+  it('Test the VIDEO request schain sending', function() {
+    const globalSchain = {
+      ver: '1.0',
+      complete: 1,
+      nodes: [{
+        asi: 'examplewebsite.com',
+        sid: '00001',
+        hp: 1
+      }]
+    };
+
+    let videoRequestCloned = deepClone(videoRequest);
+    videoRequestCloned[0].schain = globalSchain;
+
+    const request = spec.buildRequests(videoRequestCloned, defaultBidderRequest);
+    expect(request).to.not.be.empty;
+
+    const payload = JSON.parse(request[0].data);
+    expect(payload).to.not.be.empty;
+    expect(payload.source.ext.schain).to.exist;
+    expect(payload.source.ext.schain).to.deep.equal(globalSchain);
+  });
+
   it('Handle BANNER nobid responses', function() {
     const responseBody = {
       'version': '0.0.1',
@@ -170,7 +198,7 @@ describe('TargetVideo Bid Adapter', function() {
     expect(bid.width).to.equal(640);
     expect(bid.height).to.equal(480);
     expect(bid.currency).to.equal('USD');
-  })
+  });
 
   it('Test BANNER GDPR consent information is present in the request', function() {
     let consentString = 'BOJ8RZsOJ8RZsABAB8AAAAAZ+A==';