PART 3 Equipment

8 Sewage systems
1 A ship must be equipped in accordance with regulation 9 of Annex IV (sewage systems).
2 A ship constructed before 2nd October 1983 must be equipped, so far as is practicable, to discharge sewage in accordance with regulation 7 (prohibition on the discharge of sewage).
3 For the purposes of regulation 9 of Annex IV (sewage systems)—
(a) in the case of a United Kingdom ship, a sewage treatment plant must be of a type approved under the Merchant Shipping (Marine Equipment) Regulations 2016; and
S.I. 2016/1025. From exit day onwards, amended by S.I. 2019/470.
(b) in the case of a ship which is not a United Kingdom ship;
(i) a sewage treatment plant;
(ii) a sewage comminuting and disinfecting system and its facilities; or
(iii) a holding tank,
will comply if the Secretary of State is satisfied that it complies with the requirements of Annex IV.

9 Discharge connections
The sewage discharge pipeline of a ship must be fitted with a standard discharge connection in accordance with regulation 10 of Annex IV (standard discharge connections).