A Guardian exclusive report today provides details of proposed Labour Party constitutional changes arising from the Collins Review. The most significant change relates to party leadership elections with the scrapping of the electoral college (which disproportionately empowers MPs) and the introduction of one member one vote (OMOV) which will include equal voting rights for trade union levy payers who sign up for £3 per year associate membership of Labour. Associate members will have a direct relationship with the party rather than via affiliated unions. Unions will continue to have a collective presence at Labour Party conference (and retain 50% of the 'vote') as well as on the NEC. Those political fund levy payers who opt in to making a contribution to Labour will be able to do so but will have no democratic rights of participation (unless a full or associate member).
http://www.theguardian.com/politics/2014/jan/31/ed-miliband-labour-trade-union-reforms