Online filing error 1612
Full error message
Error type: business
Error number: 3001
The submission of this document has failed due to departmental specific business logic in the Body tag.
Type: Business
Number: 1612
Cannot file an amendment after the allowable due date.
Reason for error
An amended return must be submitted within 12 months of the accounting period filing due date, unless it relates to an accounting period which is under enquiry. This error tells you that more than 12 months have elapsed since the filing due date.
Solution
Contact HMRC Online Services helpdesk on 0845 60 55 999 for advice on how to proceed.