What are the chief ship certificates required by the various annexes of the MARPOL Convention?

(1)International Oil Pollution Prevention Certificate (IOPPC) under Annex I;

(2)International Pollution Prevention Certificate for the Carriage of Noxious Liquid Substances in Bulk (NLS Certificate) under Annex II; (3) International Sewage Pollution Prevention Certificate (ISPPC) under Annex IV; (4) International Air Pollution Prevention Certificate (IAPPC) under Annex VI; and (5) International Energy Efficiency Certificate (IEEC) under Annex VI. Engine IAPP Certificates are also required under Annex VI for all non­emergency engines of 130kW or over.