12.21.11.Where a responsibility is entrusted to Mobilité Infra Québec in relation to a complex shared transportation project under section 4 of the Act respecting Mobilité Infra Québec (chapter M-36.1), the Minister must come to an agreement with the local municipalities, the public transit authorities, the Réseau de transport métropolitain or the Autorité régionale de transport métropolitain, when they are concerned by the project, on the amount of their financial contribution.