87/518/EEC: Council Decision of 19 October 1987 on the conclusion of an Agreement in the form of an Exchange of Letters concerning the provisional application, from 1 June 1987, of the Agreement amending the Agreement between the European Economic Community and the Government of the Democratic Republic of Sao Tomé and Principe on fishing off Sao Tomé and Principe, signed at Brussels on 1 February 1984, with effect from 1 June 1987.