143.1. The expenses of the Community, except those relating to a service governed by a special tariff and those the apportionment of which is otherwise provided for by law, shall be apportioned among the municipalities listed in Schedule A according to their respective fiscal potentials, within the meaning of section 261.5 of the Act respecting municipal taxation (chapter F-2.1).
However, expenses relating to water purification, to drinking water supply or to waste disposal, recovery or recycling and which must be apportioned according to the fiscal potential shall only be apportioned among those municipalities whose territories are served by the Community.