Fixed and floating drilling rigs when engaged in the exploration, exploitation and associated offshore processing of seabed mineral resources and other platforms shall comply with the requirements of this Annex applicable to ships of 400 tons gross tonnage and above other than oil tankers, except that:
(a) | they shall be equipped as far as practicable with the installations required in Regulations 16 and 17 of this Annex; |
(b) | they shall keep a record of all operations involving oil or oily mixture discharges, in a form approved by the Administration; and |
(c) | subject to the provisions of Regulation 11 of this Annex, the discharge into the sea of oil or oily mixture shall be prohibited except when the oil content of the discharge without dilution does not exceed 15 parts per million. |