diff --git a/docs/integrations/banking/truelayer/faqs-about-truelayer.md b/docs/integrations/banking/truelayer/faqs-about-truelayer.md
index 8d834c977e..3c713bab4f 100644
--- a/docs/integrations/banking/truelayer/faqs-about-truelayer.md
+++ b/docs/integrations/banking/truelayer/faqs-about-truelayer.md
@@ -38,3 +38,9 @@ As part of the Regulatory Technical Standards required by some institutions in O
 This means that depending on the bank, clients may only be allowed to access as much transactional data allowed by the bank for a period of 5 minutes after the initial authentication by the end-user. After this period, banks who enforce SCA will only return 90 days of transaction data.
 
 In layman terms, Codat will retrieve as much data as possible following authentication by your end-user. However, regulatory standards may limit the amount of data initially retrieved to 90 days.
+
+## Why can customers no longer connect their Santander Corporate accounts? 
+
+As of **March 2026**, Santander have upgraded their API to version 4 of the Open Banking standards. As a result, [TrueLayer have announced](https://support.truelayer.com/hc/en-us/articles/43554236309905-Migration-of-all-Santander-endpoints-to-V4-of-Open-Banking-Spec) they no longer support connections to Santander Corporate accounts. 
+
+Santander Corporate accounts previously connected to Codat via TrueLayer can no longer be relinked. See TrueLayer's [How do I request banking providers to be added to TrueLayer's network?](https://support.truelayer.com/hc/en-us/articles/4522101928593-How-do-I-request-banking-providers-to-be-added-to-TrueLayer-s-network) guide on requesting banking providers to be added.