89.1.1. For the purposes of sections 89 and 89.1, if the decision to carry out a project referred to in the first paragraph of section 89 or to authorize its carrying out, subject to the applicable planning rules, is part of the exercise of an urban agglomeration power provided for in the Act respecting the exercise of certain municipal powers in certain urban agglomerations (chapter E‐20.001), the reference to a by-law adopted by a borough council also includes a by-law adopted by the council of a municipality mentioned in section 4 of that Act. The modification provided for in the first paragraph also applies to any other modification incidental to that Act, in particular the modifications whereby the reference to the city council is a reference to the urban agglomeration council and the reference to the territory of the city is a reference to the urban agglomeration. The latter modification applies in particular, in the case referred to in the first paragraph, for the purposes of the jurisdiction of the Office de consultation publique de Montréal referred to in the second paragraph of section 89.1.