The championship operates on UK MSA championship permit number: CH2018/R124

We should refer competitors (and potential competitors) to the vehicle performance vs licensing requirements as found in the MSA UK 2018 Yearbook, Q9.1.2: "Any Driver competing in a vehicle of 0.34bhp/kg or higher (excluding driver weight) and measured at the driven wheels, with the exception of single seaters as detailed in 9.1.1 above, must be the holder of a Race National ‘A’ licence, as a minimum."

The full regulations are available to downloaded from here.