German Steuerclass Change Guide: When & How to Update Your Tax Status

Your German tax class (Steuerklasse) changes automatically when major life events happen: marriage, divorce, or a second job. But sometimes you can request a manual change mid-year to optimize your monthly withholding.

Here's when you can change your tax class, how to do it, and what it means for your take-home pay.

Automatic changes (no action needed)

These changes happen automatically. You just need to report them to your employer and the Finanzamt:

Marriage

When you marry, both spouses can choose their Steuerklasse combination:

• Default: Both Class IV (equal withholding)
• Alternative: Class III/V (lower earner in V, higher earner in III)

What to do:

1. Register your marriage at the Standesamt (civil registry)
2. Provide your employer with an updated marriage certificate
3. The Finanzamt updates your records automatically
4. Your tax class changes in the month following registration

Divorce

Divorce changes are more complex:

• During divorce proceedings: You stay in your current class (usually IV)
• After divorce is final: Revert to Class I or II (if you have children)

What to do:

1. Get your final divorce decree (Scheidungsbeschluss) from the court
2. Provide copies to your employer and the Finanzamt
3. Request a Steuerklassenwechsel form (U1)
4. Change becomes effective the month following the request

Death of spouse

If your spouse passes away, you revert to a single status:

• Year of death: You remain in Class III (if applicable), then can use Class II next year if eligible
• Following year: Switch to Class I or II

Birth of first child

This typically triggers a class change:

• Single parent: Class I → Class II
• Married couple: Class IV → adjusted (may provide child benefits)

You don't file a form; the change is automatic once you register the child.

Manual changes (you request them)

You can request a Steuerklassenwechsel (tax class change) mid-year by filing Form U1 with both your employer and the Finanzamt. Common reasons:

Spouse takes a second job (or you do)

Scenario: You're married, both in Class IV. Your spouse takes a second job.

• Your spouse's first job: Keep Class IV
• Your spouse's second job: Must use Class VI (new form required)

One spouse can move to Class VI, the other stays in IV. This is better than both being in VI.

Income disparity (optimize for a couple)

Scenario: You earn €80,000/year, your spouse earns €30,000. You're both in Class IV.

Optimization:

• You move to Class III (lower withholding for higher earner)
• Your spouse moves to Class V (higher withholding for lower earner)
• Result: Larger monthly take-home, roughly balanced annual tax

Transition at year-end

If you're getting married or changing jobs in December, you might request an early class change to optimize January's withholding.

How to file Form U1

The Antragsformular für den Steuerklassenwechsel (Form U1) is your request for a tax class change.

Step-by-step

1. Get the form: Download from the Finanzamt website or ask your employer
2. Fill it out: Provide your personal details, current tax class, requested new class, and reason
3. Sign it: Both spouses must sign (if married and applying for changes)
4. Submit to your employer: Give it to your HR department; they forward it to the Finanzamt
5. Finanzamt processes it: Usually within 2–4 weeks
6. New class takes effect: Usually in the month following approval

Timing

You can change your tax class once per calendar year without special permission. If you need multiple changes (e.g., marriage + new job), consult the Finanzamt.

Impact on your payslip

Immediate effect: Monthly withholding changes the month the new class takes effect.

Example: You're in Class VI (second job, high withholding) and you move to Class IV in June.

• January–May: Class VI withholding (high)
• June–December: Class IV withholding (much lower)
• Annual tax filing: Both withholdings are reconciled; you likely get a refund

Annual reconciliation

Remember: changing your class doesn't change your annual tax liability. When you file your Steuererklärung, the Finanzamt calculates your true tax and adjusts for all classes you've been in during the year.

A class change just affects when you pay the tax (monthly withholding) and how much is withheld each month.

Key takeaways

• Major life events (marriage, divorce, children) trigger automatic class changes.
• You can request a manual change once/year via Form U1.
• Married couples can optimize by using Class III/V instead of IV/IV.
• Tax class changes affect monthly withholding, not annual tax liability.
• File your Steuererklärung to reconcile all classes and get a refund if you overpaid.
• Changes typically take effect the month after approval.

Use our German salary calculator to model how different Steuerklassen affect your monthly take-home pay.