53.5. After the consultation period concerning the draft by-law, the council of the regional county municipality, by a majority vote of its members, shall adopt, as the by-law amending the development plan, an amended or unamended version of the draft by-law.
For the purposes of the first paragraph, the consultation period runs until the end of the last of the following days:
(1) if the opinion of the Minister is requested, the day the opinion is served or, failing that, the last day of the period prescribed in section 51;
(2) the day the last resolution transmitted by a municipality pursuant to section 52 is received or, failing such a transmission by a municipality, the last day of the period applicable to it under that section;
(3) the day the public meeting is held or, if several are held, the day the last one is held, or the last day of the period prescribed in the second paragraph of section 53.