http://www.legislation.gov.uk/uksi/1965/2051/article/1/madeThe Industrial and Provident Societies Act 1965 (Commencement) Order 1965WestlawKing's Printer of Acts of Parliament2011-04-05INDUSTRIAL AND PROVIDENT SOCIETIES1The Industrial and Provident Societies Act 1965 shall come into operation on 1st January 1966.