Book excerpt: Monograph (thesis) commenting on the impact of 1913 labour legislation regulating trade union financing of political participation and relations with the Labour political party in the UK - discusses the development of the Labour Party, objectives and current functioning of the Act, nature of the activity it regulates, union membership rights to opt out of the political fund, enforcement practice and procedure (incl. Dispute settlement) etc., provides comparisons with other developed countries, and includes issues for reform and the text of the Act. References.