Data entry notes:
In Annex IV, Regulations 1-5 amended and Appendices I-IV deleted according to HELCOM Recommendation 8/4 adopted 25 February 1987. These amendments entered into force 6 April 1987 and supersede earlier amendments to Regulations 4 and 5 and the Appendices to Annex IV (1980, 1984 and 1985). AMENDMENTS TO ANNEXES IV AND VI OF THE CONVENTION OF 22 MARCH 1974 1 ON THE PROTECTION OF THE MARINE ENVIRONMENT OF THE BALTIC SEA AREA The amendments were adopted by the Baltic Marine Environment Protection Commission and communicated to the Contracting Parties. EIF: 6 April 1987, in accordance with the provisions of article 24 (1) and (2). https://treaties.un.org/doc/Publication/UNTS/Volume%201507/volume-1507-I-25986-English.pdf