The tax offices of Hamburg-Harburg and Hamburg-Ost are responsible for the taxation of agricultural and forestry operations in Hamburg.
If you want to have an event recorded, you must apply for this. There is no obligation to schedule an event. Scheduled events are exempt from certain requirements.
If you suspect avian influenza (bird flu) in wild birds or domestic poultry, you must immediately inform your local veterinary office.
If you want to operate a private inspection body for organic farming, you need a license.