CCH Corporation Tax
Attaching accounts
This document outlines the process of appending accounts to Corporation Tax (CT) returns using CCH iXBRL Review & Tag and CCH Corporation Tax Online Filing. It details the steps for adding accounts, including the necessity for matching period dates. Additionally, it addresses potential issues with attachment size restrictions imposed by HMRC, specifying that individual attachments must not exceed 9MB and the total submission must not exceed 18MB. Validation messages are mentioned for files that exceed these limits.