The IRMark is a digital reference number provided by HMRC as receipt to confirm they have received your tax return. If needed, this can help locate and match the return should it be required during investigations or queries with HMRC.
The IRMark is unique and generated by HMRC’s system. For packages active from 22/23 which include SA100 Tax Return submission, you can view the IRMark within your MalgraBooks account.
To view, select the relevant service in your transactions list. The IRMark is provided at the bottom of the screen.
