To inform us of your income, complete the Report your income if you are self-employed form (‘Doorgeven informatie over uw inkomsten als zelfstandige’). You will need either a DigiD account or a valid European electronic ID (‘Europees erkend inlogmiddel’) to do this.

The letter you received will specify which date the form needs to be submitted by.

• your estimated annual income as a self-employed person
• your spouse or civil partner’s contract if they are helping out in the business (‘fiscaal meewerkcontract’)