HC Deb 23 November 1966 vol 736 c303W
127. Mr. Henry Clark

asked the Minister of Transport what standards her Department lays down regarding the regular testing of parking meter timing mechanisation and calibrations and on acceptable margins of error.

Mr. Swingler

None, but the standards set out in the Parking Meters (Description and Testing) (England and Wales) Order 1961 are generally followed.