Turnover climbs and the bracket has to follow. Here is what happens if it does not, and when to review it.
Why creators end up out of step
Three reasons, and none of them is negligence.
Income varies a lot from month to month: two large batches at the end of the year can change the annual total on their own.
Part of the work is sometimes invoiced abroad, which adds a question of conversion and date.
And the business grows fast at the beginning, so the bracket chosen at the start no longer matches six months later.
One practical consequence: the tracking is not done once a year, it is done every month, in five minutes.
What happens if you do not adjust
Three effects, in chronological order.
A catch-up: the amounts due for the period concerned remain due, and they accumulate.
An adjustment that often falls at the wrong moment, that is to say during a quiet month.
And, depending on the case, consequences for your situation with regard to the regime itself.
The exact arrangements, the deadlines and what happens in case of an overshoot are checked with an accountant. This is not a point to settle with an answer found in a discussion group.
What does not count as turnover
That is the commonest source of confusion, and it deserves a personal check.
Four situations come back often: a reimbursement of expenses advanced, a sum received and then passed on, a product exchange with no payment, and an amount collected on somebody else's behalf.
A method rather than an answer: each of those situations has its own treatment, and that treatment depends on your regime and on how the operation is documented. Have them checked once with an accountant, note the answer, and apply it afterwards without reinterpreting.
The separate account changes everything
That is the simplest measure, and the one avoiding the most problems.
Three reasons.
You see your real turnover without mixing it with your personal spending.
You set aside the share for contributions and tax at the moment of receipt, not at the declaration.
And you have a clear history the day somebody asks you to justify a year.
One habit completing the first: note, in the same table, the date of receipt and not the invoice date. It is the receipt that fills your account, and often the receipt that counts for the tracking.
What determines the bracket
| Element | Why it matters | How often to check it |
|---|---|---|
| Total invoiced over twelve months | It sets the bracket | Every month |
| Income in foreign currency | It converts at a given date | On each receipt |
| The declared activity | It must match the real work | At each change |
What is tracked in a simple table
The date, the client, the amount, the currency and the rolling twelve-month total. Five columns that make recategorisation mechanical instead of stressful.
What to ask a professional
The applicable bracket, the thresholds, the recategorisation date and the treatment of income from abroad, to be confirmed with an accountant.
When to stop handling this alone
Four signals, and the first is often enough.
You are approaching your bracket's ceiling, or you have exceeded it over the last twelve months.
Part of your income comes from foreign clients.
You are starting to work with other people, even occasionally.
Or you cannot answer a question a client asks about your invoice.
One closing note: the cost of an annual appointment with an accountant is far below that of a single adjustment, and it turns an anxiety-inducing subject into a line in the calendar. Set that appointment on a fixed date, at the same time as your rate review, and the subject stops occupying your mind for the rest of the year.
Sources
Checked on 26 August 2026. Thresholds and rates change: where this guide and the official source disagree, the official source is right.



