You can use the upload historical payslips process to upload payslips for prior periods that you've already processed.

This is useful, for example, if you forgot to upload payslips during a pay run. 

1. Click Company, then Online Document settings.
2. Next to step 5, click Do it now.
3. Select the date range you want to upload payslips from.
4. Click Next and select the employees to upload payslips for.
5. Click Next then confirm the number of payslips for each employee.
6. Click Upload Payslips.
7. To publish straight away, click Login and Publish payslips.
8. Or, to publish them later, click Close.