The measures implementing the existing Regulations and Directives in the field of maritime safety were adopted by a regulatory procedure involving the Committee set up by Council Directive 93/75/EEC of 13 September 1993 concerning minimum requirements for vessels bound for or leaving Community ports and carrying dangerous or polluting goods ( 5 )goods(5) and, in certain cases, an ad hoc committee. These committees were governed by the rules set out in Council Decision 87/373/EEC of 13 July 1987 laying down the procedures for the exercise of implementing powers conferred on the Commission ( 6 ).Commission(6).