#502 – fatal: Authorisation Failure (when submitting accounts to Companies House)

When attempting to file to Companies House, you may get the error message #502 – fatal: Authorisation Failure. If you receive this error. it means that one of the following entries is incorrect or missing. Please check all the details carefully and re-enter them where possible. Delete any spaces appearing at the end of an entry.

If you have attempted the above and are sure that the entries are correct, our support team will be able to review the submission log file and compare the data expected to the data contained within the file. To do this, please open the client in Accounts Production for the relevant accounting period, click on Check and Finish, locate the most recent submission attempt, right click on this and select Send to TaxCalc (as shown below). 

Once you select this a pop up box will appear where you will need to input the entries you are inputting into TaxCalc for the below information:



Article ID: 1273
Last updated: 29 Jul, 2022
Revision: 8
Accounts Production -> #502 – fatal: Authorisation Failure (when submitting accounts to Companies House)
https://kb.taxcalc.com/index.php?View=entry&EntryID=1273