Champs
SRC = The Motorsport UK Scottish Rally Championship    
ANECCC = ANECCC SG Petch Rally Championship    
ECOSSE = The Ecosse Challenge    
BC = The Border Challenge    
MOTOSCOPE = The HRCR Motoscope Northern Historic Championship    

Class
1 = 2wd cars up to 1450 cc    
2 = 2wd cars - 1451 to 1650 cc, 8 valves or less    
3 = 2wd cars - 1451cc to 1650cc, more than 8 valves    
4 = 2wd cars - 1651cc to 2050cc, 8 valves or less    
5 = Historic Category 1, 2, 3 & 4 and FIA Appendix Rally Cars as defined in the General Regulations of the Motorsport UK    
6 = Fwd cars - 1651cc to 2050cc, more than 8 valves    
7 = Rwd cars - 1651cc to 2050cc, more than 8 valves    
8 = All 2wd cars over 2050cc    
9 = Any 4wd car not classified in class 10 or 11, without a sequential gearbox (including previously FIA Homologated GpN 4WD cars)    
10 = FIA Homologated GpA 4wd cars,FIA Homologated Super 2000 cars & FIA Homologated R4 cars,and any cars previously homologated as such,providing these run as per their FIA homologation papers.All Metro 6R4s and any derivative therefrom.Any other 4wd car not classified in class 11 with a sequential g/box    
11 = FIA Homologated WRC cars and cars previously homologated as such and FIA Homologated R5 cars. Any derivative therefrom including RHD Conversions.