You can submit the EPS to inform HMRC that you're adjusting your payment to them because:
If you're submitting CIS deductions suffered, enter your Corporation Tax reference before following the steps below.
HMRC only accepts an EPS for a tax month from the 20th of that month to the 19th of the following month.
After the 19th, you can no longer submit an EPS for that tax month. From the 20th onwards, HMRC only accepts the EPS for the next tax month.
Example
This pattern continues for each tax month.
The NIC reclaimed field only applies if you claim Small Employers Relief.
If you split the Apprenticeship Levy Allowance between multiple companies, you don't have to amend this value in the EPS.