You must keep accurate records for your workers and upload the correct data in your pension data files. We do everything we can during the upload process to make sure there are no conflicts in the data. This is especially important for National Insurance numbers (NINOs) and payroll numbers, which are unique for each worker in a payroll.
If you’ve got a NINO for a worker, you must include it in your pension data file. If there are any workers you don’t have a NINO for, any of your workers, please leave the NINO field blank. Don’t put a placeholder in.
Please don’t re-use payroll numbers. Each payroll you run must have a unique number.