You can't reopen payroll year-end after Sage BusinessVision completes the process.

 You recently completed payroll year-end and have a backup

1. Restore the backup created before payroll year-end.
2. Make the required corrections.
3. Run payroll year-end again.
4. Re-enter any transactions missing in the restored file since the backup time.

You completed payroll year-end some time ago and have a backup

Contact Support for assistance.

You completed payroll year-end some time ago and don't have a backup

You can't adjust payroll payments in the previous year.

1. Make the required payroll changes in the current year.
2. Adjust the T4 information manually.