284. Notwithstanding the striking out of paragraph 1 of article 25 of the Municipal Code of Québec (chapter C-27.1) and the repeal of section 32 of the Cities and Towns Act (chapter C-19), every local municipality whose territory is bounded by a body of water on 31 December 1988 and which, on that date, has, under those provisions, jurisdiction over any part of the body of water concerned shall retain such jurisdiction until 31 December 1990 or, as the case may be, until the date of the coming into force of the Minister’s decision made under section 279 of this Act.