 In addition, the Severely Handicapped Persons Act of April 1974 extended the welfare and promotional obligations of the employer, and provided a right to extra holiday consisting of six working days.A federal environmental programme was established in 1971, and in 1972 laws were passed to regulate garbage elimination and air pollution via emission.Matching grants covering 90% of infrastructure development were allocated to local communities, which led to a dramatic increase in the number of public swimming pools and other facilities of consumptive infrastructure throughout West Germany.