Employment Law2026-09-23

Do I have to repay training costs if I resign?

Your employer paid for your training, now you want to resign, and the repayment clause in your contract is worrying you. I explain when clauses like this are actually enforceable — and when you won't owe a penny.

You completed a training course that your employer paid for, and now you want to resign. Your employment contract or training agreement contains a clause requiring you to repay the costs if you leave before a certain date. Now the decision to resign is looming, the figures are going round in your head, and the question is: do I really have to pay, or does this clause not hold up at all?

In short

Repayment clauses for training costs are not automatically valid — as standard contract terms they are subject to review of their fairness under § 307 BGB (German Civil Code), and they must be closely tied to the length of the training, the length of the retention period, and the reason for leaving. Many clauses used in practice are drafted too broadly, worded unclearly, or demand repayment even when the employer is the one who ends the relationship — and are therefore invalid in their entirety, with the result that nothing at all has to be repaid. Whether that is the case with your clause depends on the wording and the individual circumstances, and it is well worth a proper review before you pay or sign anything.

How I can help you

I review your specific repayment clause for validity — the wording, the retention period, the exceptions it does or doesn’t make.
I work out whether, and to what extent, a pro-rata reduction applies.
I represent you against your employer if they demand repayment or try to deduct it from your final payslip.
Before you resign, I assess for you whether the timing can be chosen so that no repayment obligation — or a smaller one — arises.

Requirement 1: The clause must survive review as a standard contract term

Repayment clauses almost always appear in pre-drafted employment or training agreements that the employer uses across a large number of cases. That makes them standard contract terms, subject to a review of their fairness under § 307 BGB. Under § 307 (1) sentence 1 BGB, a clause is invalid if it places the employee at an unreasonable disadvantage contrary to the requirements of good faith. The transparency requirement in § 307 (1) sentence 2 BGB tightens this further: even a clause that is reasonable in substance is invalid if it is not drafted clearly and comprehensibly.

For repayment clauses, this means in practice:

The clause itself must make clear on what conditions and in what amount repayment is due — not only after a court has interpreted it.
It must not impose a repayment obligation for circumstances the employee cannot influence.
A clause that refers loosely to “the costs of the training” without disclosing the basis on which they are calculated is usually too imprecise.

If the clause fails on any of these points, it is invalid in its entirety under § 307 BGB — not only in the unreasonable part. And under § 306 (1) and (2) BGB, although the rest of the contract remains in force, the invalid clause simply falls away with no replacement and is not trimmed back by the court to a “just about permissible” level. For you, in case of doubt, this means: if the clause is invalid, you owe nothing at all — not even a reduced amount.

Requirement 2: The retention period must match the length of the training

The second point to examine is the length of time for which you may be tied to the employer after the training before a resignation still triggers repayment. Employment tribunal practice has developed a rule of thumb here that sets the length of the tie against the length and intensity of the training — the longer and more demanding the training, the longer the permissible tie may generally be. As a rough guide, from which one may depart upwards or downwards in the individual case:

Training of up to one month: a tie of several months may already be too long.
Training of up to two months: a retention period of up to one year.
Training of three to four months: a retention period of up to two years.
Training of six months to one year: a retention period of up to three years.
Training of more than two years: a retention period of up to five years, and in exceptional cases longer.

This is not a table fixed by statute but a guide that takes further circumstances into account — such as how much the training has actually improved your market value and your prospects for advancement, and whether the time off was paid or unpaid. A clause that provides for a retention period plainly out of proportion to the length of the training places the employee at an unreasonable disadvantage and again falls foul of § 307 BGB.

Requirement 3: The reason for leaving must lie within your own sphere

The most common mistake in repayment clauses in practice is this: they do not distinguish according to who caused the reason for the relationship ending. A repayment obligation is only reasonable where the ending of the employment relationship rests on a reason that lies within your own sphere — for example your own ordinary resignation, without any cause prompted by the employer.

By contrast, a clause is typically invalid if it also demands repayment for:

a dismissal by the employer that is not based on your conduct (for example a redundancy dismissal),
a resignation you give because the employer, for their part, is acting in breach of contract (for example being in arrears with your wages),
an ending that rests on circumstances you could not influence, such as a permanent inability to keep working on health grounds.

So the first thing to examine is not the time limits but the wording: does the clause refer expressly only to “resignation by the employee for a reason not attributable to the employer”, or loosely to “any ending of the employment relationship”? In the second case, there is a strong argument that the entire clause is invalid.

The calculation: a pro-rata reduction is mandatory

Even where the retention period and the reason for leaving are in order: a clause that demands the full amount on early departure, regardless of how much of the retention period has already been served, is unreasonable. As a rule, only a pro-rata reduction is permissible — the repayment amount falls month by month (or in another comprehensible, contractually defined step) by the corresponding fraction of the total.

A worked example for the review: if the agreed retention period is 24 months and you have already worked 18 months in the business after the training, then under a valid clause with a linear reduction only 6/24 — that is, a quarter of the original training costs — may still be outstanding for repayment, not the full amount. If the contract contains no such tapering at all and instead demands “the full amount on leaving before 24 months have elapsed”, that too is an independent ground of invalidity.

Example scenario

An employee has her employer fund a nine-month part-time training course alongside her job. The training agreement provides for a retention period of three years and requires her, “on ending of the employment relationship before the retention period has elapsed”, to repay the full costs — with no exception for dismissals by the employer and no tapering. After 14 months she resigns to take up a new position. The employer demands repayment in full.

The review reveals two lines of attack at once: a three-year retention period is plainly out of proportion to nine months of training, and the clause does not distinguish according to who gave notice, and provides for no pro-rata reduction. Both point to a clause that is invalid in its entirety — with the result that there is no repayment obligation at all.

Common mistakes

Paying too hastily. Many employees transfer the amount demanded, or let it be deducted from their final payslip, without having had the clause reviewed — yet a considerable proportion of such clauses are invalid in practice.
Looking only at the time limit. Anyone who checks only whether the retention period has elapsed overlooks that the reason for leaving, or the absence of tapering, may already bring the clause down.
Not factoring in the timing of resignation. If a resignation is on the cards anyway, the timing you choose can affect the amount of any repayment claim — which is well worth reviewing before, not after, you resign.
Relying on verbal assurances. Only the written wording of the clause counts for the review of standard terms, not what was said in an HR meeting.

Frequently asked questions

Do I have to pay if the contract contains no repayment clause at all and it was only agreed verbally?

A repayment obligation given only verbally is difficult to enforce in law, particularly where the employment contract contains a written-form clause. Do have this looked at closely in your own case, though, because it turns on how the contract is actually drafted.

What happens if I have not yet completed the training and now resign?

The same applies here: the clause has to be valid, and it turns on the reference point agreed — often it is tied to completion of the training, sometimes already to individual modules. Check the exact wording before you assume there is any obligation to pay.

My employer wants to simply set the repayment off against my final salary — are they allowed to do that?

A unilateral set-off is only permissible if the repayment claim actually exists and is due, and even then only within the attachment-exempt thresholds. If the clause is invalid, there is no counterclaim to set off against in the first place.

I have already signed the repayment clause — can I still challenge it?

Yes. The review of standard terms under § 307 BGB examines the clause regardless of the fact that you signed it — your signature does not make an unreasonably disadvantageous clause valid.

Does this also apply to tuition fees or a work-study degree that the employer financed?

The principles for reviewing the fairness of terms under § 307 BGB apply here too in principle, though with their own standards for the retention period and the amount of repayment, because the scope and duration of a degree course are different from those of a classic training course. That deserves a separate review of the particular contract.

Your next step

Before you accept a demand for repayment — or hold back from resigning out of worry about the costs — you should have the clause reviewed; often more of it is invalid than employers would have their employees believe. If you have already resigned, or have received notice, and are now also faced with a repayment demand, you should at the same time keep an eye on the validity of the dismissal itself and the applicable time limits — for that, we are the right people to turn to in employment law. Incidentally, the employment tribunals deal again and again with the recovery of training and education costs — a further sign of how much turns on the detail of these clauses, and how worthwhile a careful review can be.

This article provides general information and is no substitute for legal advice in an individual case. Last updated: 2026-09-23.

Christian Czirnich, Rechtsanwalt (attorney at law), Kirchseeon near Munich

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