7. The Minister shall determine the average retail price per litre of any fuel mentioned in section 4 by means of a representative statistical sampling of prices of that fuel, excluding the tax under this act, in effect in the fuel retail outlets situated on the Island of Montréal, and round off that price downward to the nearest half cent.
1972, c. 30, s. 7; 1978, c. 28, s. 4; 1980, c. 14, s. 1.