1. Navigate to the Tax Calendars window (Brazilian Oracle Payables: Setup > Tax > Withholding > Tax Calendar).

2. Enter a calendar name in the Calendar Name field.

3. Enter a description of the tax calendar that you are defining.

4. Enter one of the following dates in the Base Date field:

Invoice date

Terms date

GL date

5. Enter one of the following withholding tax types in the Tax Type field:

ICMS-ST

IRRF

ISS

6. Enter starting and ending dates for the period that the withholding tax payment is due.

7. Enter a final due date in the Due Date field.

8. Check the Active box.

Note: You cannot make any changes to a line after this box is checked. To change any information in a line, uncheck the Active box, enter the date in the Inactive date field to make the line inactive, and create a new line with the changed information.

9. Save your work.