In Thailand payroll, you need to update the employee's tax details and the tax exemption. Please follow the steps below to update:
Tax details
Go to the Payroll module, Modules, and click Income Tax Details.
Search for the Employee ID.
Checked the Parent Amount, Disabled Person and click Save.
Click Pay Processing, then Income Tax Record.
Click Details and update all the required information.
Tax exemption
Go to the Payroll, Setup, and click Income Tax Setup.
Click Tax Policy Setup and click the Progression tab.
Edit the allowance amount, e.g., disable allowance, parents' allowance, or child allowance, and click Save.
Click Pay Processing, Income Tax Record, and search for the Employee ID.
Click Details and click Recalculate
The exemption amount will get updated.