21A Certain Liquid substances to be treated as oil
(1) Notwithstanding any other provision of this Act, a prescribed substance in Category C or D, being a substance that has been identified by the Organization as an oil - like substance under criteria developed by the Organization, may be carried on an oil tanker within the meaning of Part II if the foll owing conditions are satisfied:
(a) the oil tanker complies with the provisions of Annex I of the Convention as applicable to product carriers within the meaning of that Annex;
(b) the oil tanker carries an International Oil Pollution Prevention Certificate and its Supplement B, being a certificate that has an endorsement ;
(i) that indicates that the ship is permitted to carry oil - like substances in conformity with Regulation 14 of Annex II of the Convention; and
(ii) that specifies the oil - like substance or substances that the tanker is permitted to carry;
(c) the prescribed substance is the substance, or a substance, referred to in subparagraph ( b) (ii);
(d) in the case of a substance in Category C - the tanker complies with the ship type 3 da mage stability requirements of ;
(i) in the case of a tanker constructed on or after 1 July 1986 ; the Inter national Bulk Chemical Code; or
(ii) in the case of a tanker constructed before 1 July 1986 - the Bulk Chemical Code applicable under Regulation 13 of Annex II of the Convention; and
(e) the oil content meter in the oil discharge monitoring and control system of the tanker has been approved by an inspector for use in monitoring the oil - l ike substances to be carried.
(2) Where, by virtue of subsection (1), a substance is carried on an oil tanker within the meaning of Part II ;
(a) section 9 applies in relation to the discharge of the substance as if the substance were oil wit hin the meaning of Part II; and
(b) section 21 does not apply in relation to the discharge of the substa nce. " .