18. In addition to the documents listed in section 15, the director of the direction responsible for metropolitan development and institutional relations is authorized to sign(1) any opinion provided for in sections 51, 53.7, 56.4, 56.14, 56.15 and 65 of the Act respecting land use planning and development (chapter A-19.1); (2) any extension granted under section 239 of the Act respecting land use planning and development, of a period or a term granted by that Act, a regulation, a by-law, or an order, decree, notice, opinion or assessment passed, made or given under that Act; and
(3) any request for an opinion made to the Communauté métropolitaine de Montréal provided for in the first paragraph of section 234.2 of the Act respecting land use planning and development.