PAYE93036 - taxpayer end of year: reviewing liability at year end: previous years potential underpayment (PUP) coded (Action Guide)


To decide whether a previous year’s potential underpayment (PUP) that has been coded needs to be included in the informal calculation consider steps 1 - 3 below

For details of how to action any of the COP Functions use the [Index of Functions] button on the left of the screen.

  1. Has a PUP been calculated for a previous year and included in the coding for the year that you are reviewing?
  • Yes, go to step 2
  • No, go to step 3
  1. Include the PUP in the ‘Underpayment/Overpayment Brought Forward’ field in Format 1

  2. Where the PUP has been calculated for a previous year and included in the coding of the year following the year that you are reviewing you should
  • Consider whether the result of the review excluding the PUP falls within the tolerances
  • Where the result falls within the tolerances, use COP Function CS to clear the year ‘Z’ and leave the PUP to be collected through the coding
  • Where the result falls outside the tolerances, use COP Function AS to issue an informal calculation including the PUP in the U/P B/F box. You will need to review the code for the following year