http://www.legislation.gov.uk/uksi/1990/1223/signature/madeThe British Railways Board (Central Wales Railway) Light Railway (Amendment) Order 1990Rail transportKing's Printer of Acts of Parliament2016-10-27TRANSPORTSigned by authority of the Secretary of State for TransportJ. R. CoatesAn Under Secretary in theDepartment of Transport5th June 1990