diff --git a/README.md b/README.md
index ed1adfc..301563c 100644
--- a/README.md
+++ b/README.md
@@ -26,3 +26,4 @@ Both pages accept the following query string parameters:
 | gpp              | optional | string | Global Privacy Platform string |                                             |
 | timeout          | optional     | integer | Timeout (in milliseconds) to wait for consent data from AMP. Defaults to 10000.                                                                          | 500                                                  |
 | args             | optional     | string  | Passed through to the /cookie_sync call query string. Used by some host companies.                                                                       |                                                      |
+| account          | optional     | string  | Passed through to the cookie_sync call query string. Used by PBS cookie sync to refine the selection of bidders to sync. | MyAccountID1234            |
\ No newline at end of file
diff --git a/src/params.js b/src/params.js
index f205752..01532dd 100644
--- a/src/params.js
+++ b/src/params.js
@@ -28,6 +28,7 @@ export function parseParams(params = new URLSearchParams(window.location.search)
         gpp_sid: params.get('gpp_sid') || null,
         gpp: params.get('gpp') || null,
         timeout: toInt(params.get('timeout')) || 10000,
+        account: params.get('account') || null,
     };
 }
 
diff --git a/test/params_spec.js b/test/params_spec.js
index 3327709..7502087 100644
--- a/test/params_spec.js
+++ b/test/params_spec.js
@@ -189,6 +189,7 @@ describe('Query parameters', () => {
                 }
             }
         },
+        account: simpleStringParam('account'),
 
     }).forEach(([outParam, {param, cases}]) => {
         describe(`"${outParam}"`, () => {