Error codes ยท National portal upload checks
CBI filing rule: return already signed off: A signed-off return is locked; uploading again fails until a Verifier requests an auto-unlock.
Rejects the file IE-CBI
Official text
Ensure that the same return for the same reporting date is not already signed off. It will need to be unlocked per section 5 if this is the case.
How it appears in feedback
Ensure that the same return for the same reporting date is not already signed off. It will need to be unlocked per section 5 if this is the case.
What triggers it
A signed-off return is locked; uploading again fails until a Verifier requests an auto-unlock.
How to fix it
Returns > View/Edit > reporting date > Create Request > Unlock Return.
Central Bank of Ireland Portal (2026 version performs upfront EBA validations; blocking errors must be fixed before finalise/sign-off, non-blocking ones may be commented in the 'Xbrl Non Blocking Rules Report' and submitted).