249.A local municipality has 24 months as of 1 January 2006 to adopt a by-law relating to a matter referred to in articles 250 to 267 of the Municipal Code of Québec (chapter C-27.1) or section 438 of the Cities and Towns Act (chapter C-19), as they read on 23 May 2005, the substance of which has been preserved in the form of a regulatory power by this Act. In the meantime, those sections continue to have effect.