An Änderungskündigung is a dismissal with strings attached: the employer terminates your employment and, in the same breath, offers to continue it on changed — usually worse — terms. Lower pay, a different location, a lesser role. Many employees see only the two obvious responses: swallow the new terms or lose the job. German law gives you a third option that is almost always the smartest one — accepting the new terms under reservation (Vorbehalt) and letting the labour court review whether the change is justified, with your job and salary secured in the meantime (§ 2 KSchG).
The mechanism: § 2 KSchG
Legally, an Änderungskündigung consists of two declarations bundled together: (1) an ordinary (or, rarely, extraordinary) dismissal of the existing employment, and (2) an offer to continue the employment under modified conditions from the end of the notice period. Because a genuine dismissal sits inside it, the full machinery of dismissal protection applies: the employer needs social justification under the KSchG where it applies, must observe notice periods, must consult the works council under § 102 BetrVG where one exists, and you must react within the 21-day window of § 4 KSchG if you want the courts involved.
Your three response options
Option 1: Accept unconditionally
You agree to the new terms. The employment continues on the changed conditions; the dismissal never takes effect. Simple — but you have permanently accepted the pay cut, relocation or demotion with no review of whether it was lawful. Employers count on employees taking this route out of fear.
Option 2: Reject outright
You refuse the offer. The Änderungskündigung then operates as a normal termination: if you do nothing further, the employment ends at the notice date. You can still file a Kündigungsschutzklage against the dismissal itself — but you are now playing for all or nothing. If the court finds the dismissal socially justified, the job is gone. This is the high-risk route and rarely advisable without strong reasons.
Option 3: Accept under reservation (Vorbehalt) — § 2 KSchG
You declare that you accept the new terms under the reservation that the change is socially justified, and you file an Änderungsschutzklage. The court then reviews only the change of terms. If the change is unjustified, the old conditions are restored retroactively. If it is justified, you continue on the new terms — but you keep the job either way. The reservation must be declared to the employer within the notice period, and at the latest within three weeks of receiving the notice; the Klage must likewise be filed within the 21 days of § 4 KSchG.
What the court actually reviews
With a valid Vorbehalt, the court does not ask whether you could be dismissed — it asks whether a reasonable employee in your position must accept these specific changes. The standards are strict:
- Grounds for the change: the employer needs operational, personal or behavioural grounds for the modification itself, mirroring the KSchG categories. For operational changes, there must be a genuine business decision that removes the need for the old terms — see operational dismissal for the underlying framework.
- Proportionality: the employer may change only what the grounds actually require, and no more (Verhältnismäßigkeit). A restructuring that justifies moving your role to Munich does not justify simultaneously cutting your salary by 15%. Courts strike down “package deals” that bundle unnecessary changes with necessary ones — and one unjustified element typically brings down the whole Änderungskündigung.
- Least intrusive means: if the goal could be reached by a milder measure — using an existing contractual mobility clause, offering a comparable vacant role — the Änderungskündigung is disproportionate.
- Pay cuts as such: a mere desire to reduce labour costs practically never justifies cutting the pay for unchanged work. The BAG allows pay-cut Änderungskündigungen essentially only in existential company crises, backed by a full financial disclosure and restructuring plan — a bar employers almost never clear.
Typical scenarios
Pay reduction
“We must reduce your salary by 20% or terminate.” As above: absent a documented existential crisis, this rarely survives review. Accept under reservation and litigate — the odds are favourable.
Relocation
Office closure in one city, offer to continue in another. Here the operational grounds are often real, and the dispute centres on proportionality and social selection: why you, whether remote work was considered, commuting reasonability, relocation support.
Demotion or role change
Removal of leadership responsibility, transfer to a lesser role, often paired with a pay grade drop. Courts examine whether the old role truly disappeared and whether the offered role is the closest available equivalent.
Änderungskündigung as pressure tactic
Sometimes the construct is used to push an unwanted employee toward resignation, dressed up as restructuring. The detailed justification requirements are your friend: the employer must show its cards in court.
Worked example
Key account manager in Hamburg, gross salary €5,900 per month plus ~€700 average monthly commission, 9 years of service. The employer issues an Änderungskündigung: the Hamburg sales office is being “consolidated” into Stuttgart; she is offered continued employment in Stuttgart at €5,200 with a reduced commission scheme, effective after her three-month notice period.
Within two weeks she declares acceptance under reservation; we file the Änderungsschutzklage on day 16. The case for the employer is mixed: the office closure is real, but the pay cut has nothing to do with the relocation — her role and targets remain identical. The bundling of a justified change (location) with an unjustified one (pay) makes the entire Änderungskündigung disproportionate. The works-council consultation letter also described the new terms only vaguely.
Settlement before the chamber hearing: she remains employed at the unchanged salary of €5,900 plus the original commission model, works remotely with two office days per month in Stuttgart, and receives a one-off payment of €8,000 for the added travel burden. Compared with unconditional acceptance, the preserved pay difference alone is worth roughly €16,800 over the next two years — before counting commission.
Frequently asked questions
How exactly do I declare the Vorbehalt?
In writing, to the employer, stating that you accept the offered changes under the reservation that they are socially justified (§ 2 KSchG). It must arrive within the notice period and at the latest within three weeks of receiving the Änderungskündigung. In practice we declare it immediately alongside filing the Klage — do not leave it to the last day.
What happens to my pay while the case runs?
Until the notice period expires, the old terms apply. After that, you typically work under the new terms pending judgment. If you win, the old terms are restored retroactively and the employer must repay the difference.
Can I accept under reservation and still negotiate a severance exit instead?
Yes. The Vorbehalt keeps every option open — many Änderungsschutz cases end in a negotiated exit with severance where the relationship is damaged. Our severance calculation guide explains the usual multiples; the leverage from a weak Änderungskündigung typically pushes them upward.
The offer in the letter is vague — “a suitable position in our Berlin office”. Does that matter?
Very much. The offer must be specific enough that you could accept it with a simple “yes” — role, pay, essential terms. A vague offer can make the entire Änderungskündigung invalid, converting it in effect into an ordinary dismissal that is then hard for the employer to defend.
What if I miss the three-week deadline?
Then the dismissal and the new terms generally become binding (§ 7 KSchG), exactly as with any missed three-week deadline. Late admission is possible only in narrow exceptional cases. Treat day one as urgent.