If you believe that your marriage was not legal, you can apply to have your marriage annulled.
If you live permanently separated from your spouse/partner, the family-friendly tax class combination (III/V; IV/IV; IV/IV with factor) can no longer be taken into account in the year after the separation.
You can have the designation of a trade fair, exhibition or market cancelled.
If you want to end your civil partnership, you can apply for the annulment of your civil partnership.