Allegedly, Motor Codes was set up to prevent government legislation.
Would statutary legislation be a bad idea? A form of licensing laid down by law and strictly regulated would make sense.
If individual technicians were properly licensed it could go a long way to both enhance status and remove the unfair competition from the cowboy sector.
There are too many 'voluntary' schemes, which for the most part end up policing the very people that don't really need policing in the first place.