Please follow the steps below to edit Gross Salary in the IR8A:
Go to Setup in the income tax module and select Special Option.
Enabled Edit IR8S Section A Table.
In the View Tax Records, select the employee IR8S record that needs to be edited, then click Modify.
In Section A of IR8S, scroll to the right and search for the Overseas column.
Enter 1 in both EE and ER Overseas CPF.
Enter the Overseas Period (enter any date in the year 2025).
Under Whether CPF contribution in respect of overseas posting is obligatory by contract of employment, select Obligatory and Save.
Upon entering the overseas CPF period, and CPF contribution as obligatory, the tax form will be allowed for editing. This is only a trick to edit the form. Later, you will need to remove the overseas information.
Go to View Tax Record, double-click your employee’s IR8A, and Modify.
Enter and modify the amount and click Save. You can modify gross salary/ bonus/ entertainment allowances/ transport allowances/ commission/ and lump sum payment.
Go to View Tax Record, double-click your employee’s IR8S, and click Modify.
Remove the Overseas CPF information that was entered, then click Save.
If IR21 is submitted for the foreign worker, and the employee rejoins the company, you only need to submit the income that rejoins. Therefore, the IR8A needs to be edited.
Refer to the video on how to edit gross salary.