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Definitions For the purpose of this Regulation, the following definitions shall apply:

(1) ‘MARPOL 73/78’ means the International Convention for the Prevention of Pollution from Ships, 1973, as amended by the Protocol of 1978 relating thereto, in their up-to-date versions;

(2) ‘oil tanker’ means an oil tanker as defined in Regulation 1.5 of Annex I to MARPOL 73/78;

(3) ‘deadweight’ means deadweight as defined in Regulation 1.23 of Annex I to MARPOL 73/78;

(4) ‘Category 1 oil tanker’ means an oil tanker of 20 000 tonnes deadweight or above and carrying crude oil, fuel oil, heavy diesel oil or lubricating oil as cargo or of 30 000 tonnes deadweight or above and carrying oil other than the above and which does not comply with the requirements in Regulations 18.1 to 18.9, 18.12 to 18.15, 30.4, 33.1, 33.2, 33.3, 35.1, 35.2 and 35.3 of Annex I to MARPOL 73/78;

(5) ‘Category 2 oil tanker’ means an oil tanker of 20 000 tonnes deadweight or above and carrying crude oil, fuel oil, heavy diesel oil or lubricating oil as cargo or of 30 000 tonnes deadweight or above and carrying oil other than the above and which complies with the requirements in Regulations 18.1 to 18.9, 18.12 to 18.15, 30.4, 33.1, 33.2, 33.3, 35.1, 35.2 and 35.3 of Annex I to MARPOL 73/78 and is fitted with segregated ballast tanks protectively located (SBT/PL);

(6) ‘Category 3 oil tanker’ means an oil tanker of 5 000 tonnes deadweight or above but less than that specified in points (4) and (5);

(7) ‘single-hull oil tanker’ means an oil tanker which does not comply with the double-hull or equivalent design requirements in Regulations 19 and 28.6 of Annex I to MARPOL 73/78;

(8) ‘double-hull oil tanker’ means an oil tanker:

(a) of 5 000 tonnes deadweight or above, complying with the double-hull or equivalent design requirements in Regulations 19 and 28.6 of Annex I to MARPOL 73/78 or with the requirements in Regulation 20.1.3 thereof; or (b) of 600 tonnes deadweight or above but less than 5 000 tonnes deadweight, fitted with double-bottom tanks or spaces complying with Regulation 19.6.1 of Annex I to MARPOL 73/78 and wing tanks or spaces arranged in accordance with Regulation 19.3.1 thereof and complying with the requirement as to distance w in Regulation 19.6.2 thereof;

(9) ‘age’ means the age of the ship, expressed in number of years from its date of delivery;

(10) ‘heavy diesel oil’ means diesel oil as defined in Regulation 20 of Annex I to MARPOL 73/78;

(11) ‘fuel oil’ means heavy distillates of crude oil or residues therefrom or blends of such materials as defined in Regulation 20 of Annex I to MARPOL 73/78;

(12) ‘heavy grade oil’ means:

(a) crude oils of a density at 15 °C of over 900 kg/m3 (corresponding to an API grade of less than 25,7);

(b) oils other than crude oils and of a density at 15 °C of over 900 kg/m3 or a kinematic viscosity at 50 °C of over 180 mm2/s (corresponding to a kinematic viscosity of over 180 cSt);

(c) bitumen and tar and emulsions thereof.