How to Edit VAT Parameters?

Sequence > Left Navigation Bar > Username > My Company > TVA

1. Follow the above-mentioned workflow to land on the TVA screen.
2. Click VAT Parameters. 
3. From the VAT parameters screen, click the Modify button. Doing so makes the date selector editable.
4. Select the fiscal period using the Select fiscal period date selector.
5. Once the required changes are made, click the Register button.