C- Licence: You sign in for the race, come to the racetrack, go to the office, pay 17 GBP, get your C-Licence.
UK Riders with a ACU Racing Licence only need a "Starting Permission" from the UK racing Federation. The Permission alows you to race in other country´s.
@Princess
Racing in Germany is not expensive. In UK you must pay more money. If you race here you also can buy cheap good Conti Tyres