Certificated yellow plates
Page 43

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• The white and yellow reflex — reflecting registration number plates which have been compulsory on almost all motor vehicles registered since January 1 can be sold only when a certificate of compliance with the relevant British Standard, BS AU 145a:1971 has been obtained from the Secretary of State, Department of the Environment. It appears, says the BSI, that some manufacturers are not aware of this requirement which is laid down in Statutory Instrument 1972 No. 1865, obtainable from HMSO.
These plates have been used on a voluntary basis since 1967 and it is their effectiveness that prompted the DoE to make them compulsory. They assume particular importance in view of the recently relaxed regulations for night parking without lights.