You can make changes to periods that you processed with errors in a previous tax year.

This is the same method as you would use for the current tax year.

You must submit a supplementary FPS once you have finished editing.

1. Edit the incorrect pay periods. 
   • Read our article Correct a completed pay run (opens in new tab)
2. If you processed the employee with an incorrect tax code:
   • read our article Change an employee's tax details within the Edit Pay stage of a pay run (opens in new tab) 
3. Send a Supplementary FPS (opens in new tab).