How do I submit a nihil client listing on Intervat?

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Client listing vs Nil client listing

A client listing is a report submitted to the tax authorities, listing the Belgian VAT numbers of B2B clients who received goods or services exceeding €250 (excluding VAT) in the previous year.

A nil client listing is submitted when no reportable transactions occurred with VAT-taxable B2B clients exceeding a total of €250 during the calendar year

How to submit a nihil client by file ?

Step 1: Download the Excel file from Accountable 📥

• Open Accountable

• Go to the Taxes section

• Select the income year:
  For example, the annual client listing for income from 2025 must be submitted no later than March 31, 2026, but it will appear under the year 2025 in the Taxes screen.

• Open the Client listing section

• Select "Email your client listing" & download the Excel file

Step 2: Log in to Intervat 🔐

• Go to the Intervat website

• Click Login

• Sign in using Itsme, eID, or another Belgian authentication method

• Enter the Intervat dashboard

• Select your business profile if prompted

Step 3: Upload the Excel file 📤

• In Intervat, choose Submit a declaration via file upload

• Import the file of your client listing

• Click Continue

Step 4: Validate the file ✅

• Intervat automatically checks the file

• Wait for the validation result

• If there are errors, correct them and upload the file again

• If the file is valid, proceed to the submission step

Step 5: Confirm successful submission 🧾

• Return to the Intervat dashboard

• Check the status of the submission

• Make sure the status shows Success

• Download or save the acknowledgment receipt as proof of submission

Alternative: How to submit a nil client listing manually (by screen)?

1.Log in to Intervat with itsme (or another method available)

2.Select the profile with your company number

3.In your dashboard, go to “Declaration by screen”

4.Under “Type of declaration” select “Client listing”

5.Tick the box “I want to make a nihil return”

6.Click on “Continue”

7.Input year (e.g.“2025”)

8.Click on “Continue”

9.Enter your Turnover (the total of your self-employed income for the year)

10.Click on "Continue" to finalize the submission

Confirm successful submission by returning to the Intervat dashboard, checking the status for "Success," and downloading or saving the acknowledgment receipt as proof.

Author - Valesca Wilms

As content marketing lead at Accountable Belgium, Valesca writes about freelancing, self-employment, and taxes based on her own experience as a freelancer.

Who is Valesca ?