http://www.legislation.gov.uk/uksi/1981/37/madeThe Goods Vehicles (Operators' Licences) (Temporary Use in Great Britain) (Amendment) Regulations 1981enKing's Printer of Acts of Parliament1981-01-21 The Goods Vehicles (Operators' Licences) (Temporary Use in Great Britain) (Amendment) Regulations 1981RegulationsThe Goods Vehicles (Licensing of Operators) (Temporary Use in Great Britain) Regulations 1996Sch. 1reg. 1