The Motorcycles (Sound Level Measurement Certificates) (Amendment) Regulations 1989
These Regulations further amend the Motorcycles (Sound Level Measurement Certificates) Regulations 1980, by inserting a new sub-paragraph in regulation 4(2), to make it clear that certificates are only to be issued when the relevant standards of Council Directive 78/1015/EEC as amended by Council Directive 87/56/EEC are met.