 From 1975 onwards, "Laws" were also promulgated by the World Bridge Federation Laws Commission, which claims the sole responsibility both for their content and their interpretation.In the latest edition, published in June 2017, the WBF acknowledged the historic cooperation of the Portland Club, the European Bridge League, and the American Contract Bridge League.The American Contract Bridge League (ACBL) Laws Commission updated its own version of the Laws in September 2017.