# How do I set up my tax regime and VAT?

URL: https://help.sweb.so/en/pro/invoices-accounting/tax-settings
Mis à jour: 2026-07-03T00:00:00.000Z

You enter your fiscal identity and VAT details from **Settings > Tax settings**: SIRET, company name, legal form, tax regime, then your VAT liability with its default rate. The default VAT rate also shows up on the **Settings > Taxes** page, where you can run the FEC export.

## Enter your legal identity

The SIRET (French business registration number) is optional, but if entered, it must be exactly 14 digits. Once entered, a search icon lets you query the SIRET API to auto-fill your company name, legal form, VAT number, business activity code (APE) and trade register number (RCS). This saves you from re-typing everything by hand.

If your structure is a company (SAS, SARL, EURL, SASU), VAT liability is automatically forced to "Liable" and locked: it isn't optional for these legal forms.

## Configure your VAT liability

The VAT block works in two steps.

- **Liable**: the VAT number, filing frequency, and default rate fields appear.
- **VAT exemption (not liable)**: a "Not liable" chip is shown instead, and the VAT fields disappear.

The VAT number goes through a dedicated check, with a badge whose tooltip shows the status (pending, verified, failed, or not entered).

## Tax regime and fiscal year

A collapsible section lets you specify your tax regime and fiscal year. This regime determines some of your filing obligations: if you're unsure which to pick, your accountant remains the best source.

## The daily closing reminder

The NF525 closing reminder is no longer a fixed time you choose: it now recalculates automatically every day, based on the end of your scheduled availability. Nothing to configure on your end here.

## Enable cash payments

At the bottom of the page, a toggle enables or disables cash payments, a specific NF525 switch. It can only be turned off if no cash drawer is currently open and no cash transaction already exists in your history.

## Edge cases

**The SIRET shows an error.** Check that it's exactly 14 digits, with no space or extra character.

**I can't uncheck "Liable".** That's expected for companies (SAS, SARL, EURL, SASU): this legal form requires VAT liability, so the toggle stays locked.

**I can't disable cash payments.** Close your cash drawer first if it's open. If cash transactions already exist in your history, disabling stays blocked to preserve NF525 consistency.

**I can't find my trade name on this page anymore.** That field has moved to **Settings > My account**.