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Reporting a change to Kindergeld

Familienkasse (Family Benefits Office) · Before a repayment claim is made

OnlineWithout undue delay

Anyone receiving Kindergeld must report changes that are material to the entitlement. This is not a mere formality: unreported changes regularly lead to repayment claims, and because they are often only noticed after many months, the claim arrives as a single lump sum.

The most common cause is not bad faith but simply not knowing what must be reported. Most people know that a move must be reported. Few know that taking up secondary employment of 25 hours a week after completing initial training ends the entitlement – even though it is set out in § 32 Abs. 4 EStG.

Reporting is also in your own interest, and this part is usually overlooked. Changes work in both directions: a second child, starting training after a gap, or the child moving into your household all increase the entitlement. However, a retrospective increase only applies within the six-month limit of § 70 EStG – reported too late here also means money lost.

Last updated27 August 2026
Legal basis§ 68 EStG · § 70 · § 32 Abs. 4
VerificationChecked against gesetze-im-internet.de (consolidated version)
Written and reviewed byAndrés Sánchez Botta
Independent information page: We are not the Familienkasse, not an authority and not a paid advisory service — we do not submit applications on your behalf. All information comes from official sources and is explained here in simple terms; the competent body is always authoritative. Not legal or tax advice. Decisions on repayment claims are made by the Familienkasse. All information is provided without guarantee. We are neither lawyers nor tax consultants: we document administrative procedures and check the information against the official source — this is information, not legal or tax advice.
DeadlineWithout undue delayNot just at the end of the year
CostsFree of chargeAvailable online
If missedRepayment claimAs a lump sum
In your favourOnly 6 monthsAlso limited retrospectively
Required documents

What you need

Kindergeld number

It appears on every official notice (Bescheid) from the Familienkasse. Without it, the notification cannot be matched and is left unprocessed – while payments continue and the later repayment claim grows.

Evidence of the change

Training certificate, certificate of de-registration from university, employment contract stating the number of weekly hours, registration certificate (Meldebescheinigung). A notification without evidence only triggers a query and extends the period over which repayment is claimed.

In the case of economic activity: the number of weekly hours

The decisive figure after completing initial training. Above 20 hours a week the entitlement lapses, unless it is a training relationship or marginal employment.

If changing bank account: new bank details

The IBAN to which payment should be made in future. A failed transfer leads to payment being suspended until the matter is resolved – and that regularly takes longer than reporting the change would have.

If moving: new address

Important even if the entitlement itself does not change: notices and requests for evidence are sent to the address on file. An unanswered request leads to payment being suspended.

Step by step

How to proceed

  1. 1

    Know what must be reported at all

    Ending or abandoning training, taking up economic activity of more than 20 hours a week after initial training, the child moving to a different household, moving abroad, a longer stay abroad by the child, the child marrying, changing bank account and changing address. Hardly anyone knows this list in full – which is why it comes first here.

  2. 2

    Report without delay, do not save changes up

    The later the report, the longer the period over which repayment is claimed. A change in February reported in December creates a repayment claim covering ten months – around €2,590 for one child.

  3. 3

    Submit online via the Familienkasse

    The change notification can be submitted online, or alternatively by form. State the Kindergeld number and attach the evidence straight away; a notification without evidence only triggers a query.

  4. 4

    Also report changes in your favour

    A second child, starting training after a gap, the child returning to your household. These increase the entitlement – but only retrospectively within the six-month limit. Anyone who waits a year gives away half of it.

  5. 5

    Keep the confirmation

    It is your evidence of when you reported it. In the event of a later repayment claim, this date is exactly the decisive point: it limits the period for which a failure to report can be held against you.

  6. 6

    Do not simply accept a repayment claim

    Check the notice: is the period correct? Was an earlier report overlooked? You can lodge an objection (Einspruch) within one month against the notice. And independently of that, a payment by instalments is possible – ask for it, rather than trying to cover a large sum all at once.

Fee information

Costs and payment

What a late report costsThe calculation is simple and unpleasant
ReportFree of charge
DeadlineWithout undue delay
Repayment claim per month€259 per child
After 10 monthsAround €2,590
Objection against the noticeOne month, free of charge
Payment in instalmentsPossible on request

The notification itself costs nothing. What costs money is failing to give it: for every month in which payment was made wrongly, the Familienkasse claims back €259 per child. A change in February that is only reported in December results in a claim covering ten months – around €2,590, due as a single lump sum. There are two things you should know if this does happen. First, the repayment notice is an administrative act, against which you can lodge an objection within one month – free of charge. Above all, check the period and whether an earlier report by you was overlooked. Second, independently of the objection, a payment by instalments is possible; you must, however, ask for it, as it is rarely offered of its own accord. And the flip side, which usually goes unnoticed: reports work in both directions. A second child or the start of training after a gap increase the entitlement – but only retrospectively within the six-month limit of § 70 EStG. Here too, then: report early, do not let it accumulate.

Good to know

Important notes

The 20-hour rule is the most frequently overlooked reporting obligation. If, after completing initial training, the child takes up work of more than 20 hours a week, the entitlement lapses – even if they continue studying.

The later the report, the larger the repayment claim. The period grows with every month, and the sum falls due all at once.

Also report what is to your benefit. A second child, the start of training, the child returning to your household – but only six months retrospectively.

Without the Kindergeld number, the notification is left unprocessed. It appears on every notice. If it is missing, payments continue and the later claim grows.

Attach the evidence straight away. A notification without evidence only triggers a query and extends the period.

You can object to the repayment notice. You have one month, and it is free of charge. Check the period first.

Payment by instalments is possible but rarely offered. Ask for it explicitly if you cannot cover the sum all at once.

A move is also important even if the entitlement itself does not change. Requests for evidence are sent to the address on file; if unanswered, they lead to payment being suspended.

Avoid these mistakes

Common mistakes

Letting changes accumulate and reporting them at year end. Every month increases the repayment claim by €259 per child.

Assuming that taking up secondary employment is immaterial. After completing initial training, the number of weekly hours determines the entire entitlement.

Only reporting what is unfavourable. Changes that increase the entitlement are also subject to the six-month limit – reported too late, it is money given away.

Reporting without evidence. The Familienkasse will query it, and in the meantime payment continues.

Accepting the repayment notice without checking it. Periods are prone to error, and an objection costs nothing.

Trying to pay the sum all at once when it is not possible. Payment by instalments is possible – but only if you ask for it.

Frequently asked questions

Questions and answers

What must I report to the Familienkasse?

Everything that is material to the entitlement. The most important cases: ending or abandoning training, taking up economic activity of more than 20 hours a week after completing initial training, the child moving to a different household, moving – including abroad –, a longer stay abroad by the child, the child marrying, and changes to address and bank details. Hardly anyone knows this list in full, and that is precisely where most repayment claims come from.

How quickly must I report it?

Immediately, that is without culpable delay – not accumulated and reported at year end. The reason is purely a matter of arithmetic: for every month in which payment was made wrongly, a repayment claim of €259 per child arises. A change in February reported in December results in a claim covering ten months, so around €2,590 – due as a single lump sum.

My child has started a part-time job. Must I report this?

If they have already completed a first vocational training or a first degree: absolutely. Under § 32 Abs. 4 EStG, the child then only continues to count if they do not engage in economic activity – what remains permitted is at most 20 hours a week, a training relationship or marginal employment. A job with 25 hours ends the entitlement, even if the child is studying for a master's degree. Before the first training is completed, by contrast, the extent of the economic activity plays no role.

What happens in the case of a repayment claim?

The Familienkasse determines the overpaid Kindergeld by means of a notice and claims it back. There are two things you should know in that case. First: you can lodge an objection within one month against the notice, free of charge. Above all, check the period and whether an earlier report by you was overlooked – periods are prone to error. Second: independently of the objection, a payment by instalments is possible. You must, however, ask for it; it is rarely offered of its own accord.

Is it worth reporting changes in my favour?

Yes, and quickly. A second child, the start of training after a gap, or the child returning to your household all increase the entitlement. But here too the six-month limit of § 70 EStG applies: a retrospective payment is made only for the last six months before the month of the report. Anyone who waits a year gives away half a year – for one child, more than €1,500.

Must I report a move if the entitlement itself does not change?

Yes, and the reason is a practical one. The Familienkasse regularly requests evidence – especially for children over 18. These letters are sent to the address on file. If no reply comes, payment is suspended, and resuming it is again subject to the six-month limit. An unreported move can therefore cost you money, even though the entitlement itself has not changed.

How do I report the change?

Most easily online via the Familienkasse portal; alternatively with the ‘Veränderungsmitteilung’ (change notification) form. Two things matter: the Kindergeld number, which appears on every notice and without which the notification cannot be matched, and the evidence – training certificate, employment contract stating the number of weekly hours, registration certificate. A notification without evidence only triggers a query, while payments continue.

Why should I keep the confirmation?

Because it proves when you reported it – and this date is exactly what decides, in a dispute, the period for which a failure to report can be held against you. If the Familienkasse later asserts a repayment claim for a period in which you had already reported, the confirmation of receipt is your only solid evidence. Save it as a PDF, not just as a screenshot.

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