Customs additional duty exemption for imported foreign-going vessels granted retrospectively; amendment effective on presidential assent. Clause 125 exempts the item specified in column (1) of the Second Schedule, falling under the tariff chapter for vessels, from the whole of the additional duty of customs leviable under the Customs Tariff Act for the retrospective period specified in the Schedule, operating notwithstanding the general charging provision of the Customs Act, and provides that the amendment takes effect from the date the Bill receives the President's assent.