This guide will assist you in changing the period for your adhoc payroll item.
To change the period of an Adhoc payroll item, click on Payroll > Adhoc Payroll Items under Payroll Management. 
Select the Month, Employee, and the Adhoc Payroll Item. After that click on the calendar icon to change the Period of the Adhoc Payroll Item.
After clicking on the calendar icon, key in the period that you would like this adhoc payroll item to appear in and click on OK.
The adhoc payroll item would then be moved to the desired month you have keyed in earlier.
WARNING: Once the payroll item has been processed, then the month of the item cannot be changed.
END OF GUIDE