Left Navigation Bar > Username > My Company > IDE & TVA
In the "My Company" section, you can modify VAT settings, such as VAT modes and reporting methods.
- Click on your name.
- Then, click on "My Company."
- Navigate to the "VAT & UID" tab.
- The option "I have a VAT number" must be enabled.
- Here, you can select the default VAT rate for your sales and purchase invoices.

To Modify VAT Modes and Reporting Methods
- Click on "VAT Settings."
- Click "Edit" to allow modifications.
- To add a fiscal period, select "Add New" in the fiscal period selector. (Only next year's fiscal periods can be added.)
- In this section, you can modify the VAT mode and reporting method, as long as no accounting entries have been created in that fiscal period.
- If you select Net Tax Liability, you must indicate the corresponding rate.
- Finalize and save the changes to apply your new VAT configurations.
To modify accounting year dates, see the article How can I change the configuration of the financial year ?