/visma-net-erp/help/vat/manage-vat-periods/configure-a-tax-year section 2026-02-19T17:09:06+01:00 # Configure a tax year 1. Go to the [VAT periods (TX207000)](/visma-net-erp/help/vat/vat-windows/vat-periods-tx207000/) window. 1. In the **Branch** field, select the branch, for which you want to set up VAT periods. 1. In the **Tax agency** field, select the tax agency whose VAT periods you want to set up. 1. In the **Tax year** field, select the tax year for which you want to set up VAT periods. 1. Optional: Select the **Short tax year** check box to set up periods for a tax year that is shorter than the calendar one. Once you select this check box, the **Delete period** and **Add period** buttons will be available in the table toolbar so you can delete and add periods in the table. 1. Optional: In the **Start date** field (which is available for editing only if there are no tax years in the system for the selected branch and tax agency), select the first day of the tax year. 1. In the **VAT period type** field, select the type, which defines the duration of the VAT periods. The available values are **Half a month**, **Month**, **Two months**, **Quarter**, **Half a year**, **Year**, and **Financial period**. 1. Click . Parent topic: [Manage VAT periods](/visma-net-erp/help/vat/manage-vat-periods/manage-vat-periods/)