diff --git a/source b/source
index 5361f494458..86554e0375e 100644
--- a/source
+++ b/source
@@ -106290,6 +106290,45 @@ location.href = '#foo';</code></pre>
     data-x="apply the traverse history step">traversing</span> are ignored.</p>
    </li>
 
+   <li>
+    <p>If <var>navigable</var>'s <span>ongoing navigation</span> is not null, and all of the following
+    are true:</p>
+
+    <ul>
+     <li>
+      <p>the time elapsed since the ongoing navigation was initiated is within a
+      user-agent-defined threshold;</p>
+     </li>
+     <li>
+      <p>both the new and ongoing navigations are HTTP GET requests, and the new navigation is not
+      a form submission;</p>
+     </li>
+     <li>
+      <p>the navigations have an identical <var>url</var>, <span
+      data-x="document-state-initiator-origin">initiator origin</span>, <span
+      data-x="document-state-request-referrer">referrer</span>, <span
+      data-x="document-state-request-referrer-policy">request referrer policy</span>,
+      <var>userInvolvement</var>, and <var>historyHandling</var>;</p>
+     </li>
+     <li>
+      <p>the ongoing navigation's <span>active document</span>'s "navigation conditions potentially changed" flag is false,</p>
+     </li>
+    </ul>
+    <p>then:</p>
+
+    <ol>
+     <li>
+      <p>Invoke <span>WebDriver BiDi navigation failed</span> with <var>navigable</var> and a new
+      <span>WebDriver BiDi navigation status</span> whose <span
+      data-x="navigation-status-id">id</span> is <var>navigationId</var>, <span
+      data-x="navigation-status-status">status</span> is "<code
+      data-x="navigation-status-canceled">canceled</code>", and <span
+      data-x="navigation-status-url">url</span> is <var>url</var>.</p>
+     </li>
+     <li><p>Return.</p></li>
+    </ol>
+   </li>
+
    <li>
     <p><span>Set the ongoing navigation</span> for <var>navigable</var> to
     <var>navigationId</var>.</p>