The IMO issued Circulars forwarding communications from two nations regarding how they plan to implement revised Regulation 13G and new Regulation 13H of MARPOL Annex I. Liberia plans to allow its oil tankers that meet applicable requirements to operate until the extended deadline. MEPC Circ. 445 (4/27/05). Japan plans to allow its oil tankers that meet applicable requirements to operate until the extended deadline. Japan plans to allow foreign oil tankers [except small oil tankers operating under provisions of Regulation 13H(6)(a) and oil tankers fitted with neither double bottoms nor double sides operating under provisions of Regulation 13H(6)(b)] that meet applicable requirements to enter its waters until the extended deadline. MEPC Circ. 446 (HK Law)