53.17. For the purposes of this division, the following are partner bodies:(1) for the purposes of the revision of a metropolitan plan, every regional county municipality all or part of whose territory is situated within the territory of the metropolitan community and every regional county municipality whose territory is contiguous to the territory of the metropolitan community;
(2) for the purposes of the revision of an RCM plan, every municipality whose territory is situated within the territory of the regional county municipality and every regional county municipality whose territory is contiguous to the territory of the regional county municipality, as well as every school service centre or school board all or part of whose territory is situated within the territory of the regional county municipality, except with respect to the sending of a copy of a resolution determining the date on which the revision begins, a copy of the by-law adopting the revised RCM plan, the ministerial opinion as to consistency with government policy directions and the notice of coming into force; and
(3) in addition to those referred to in paragraph 2, for the purposes of an RCM plan applicable to part of the territory of a metropolitan community, the metropolitan community.