261.5.4. The part of the revenues referred to in section 261.5.3 that is granted as a credit is not taken into consideration, except if the credit is(1) a discount granted for an early payment;
(2) a credit granted under section 92.1 of the Municipal Powers Act (chapter C-47.1); or (3) a credit granted in anticipation of payment to a municipality by a minister of an amount payable on behalf of a debtor of a tax, compensation or mode of tariffing.