When you try to submit a full payment submission (FPS), sometimes the following National Insurance (NI) error appears:
'The employee's year to date NI contributions must be zero if the NI Category is 'X', 'W' or 'C'.'
This occurs when an employee on a zero rate NI category has NI year to date values above zero.
For example, an employee:
Follow the steps below to resolve this issue.
If you see a late FPS message during your submission, select the relevant reason that it's late from the list of options.