37Requirements for motor vehicles installed with alternative fuel systems

37 Requirements for motor vehicles installed with alternative fuel systems A person who modifies a motor vehicle to install an alternative fuel system must ensure that— (a) if the motor vehicle complied with the standards for registration immediately before the modification, the motor vehicle continues to comply with those standards; and (b) the motor vehicle complies with Part 11 of Schedule 1; and (c) an authorised vehicle inspector has issued an AFSA certificate for the vehicle.