I have taken over a client from another accountant and am finalising EMP501 and tax certificates. There were overdeclarations in 3 periods during the 2016 year and 1 underdeclaration (net overdeclaration and payment). I have corrected the relevant EMP201's to reflect the payroll system information, and now there are unallocated payments.

The PAYE recon assistant won't let me allocate the overpayments to the relevant period and requires me to adjust the EMP201 for those periods - which I cannot do, as that would be incorrect. Any idea about how to move forward and complete the PAYE recon assistant process?

The EMP501 was submitted and I want to generate the tax certificates but I am concerned about the impact of the above reconciliation issue on these certificates.

Assistance welcomes - thanks in advance.