 The "Act" provides that the International System of measurement be used with what the act calls "Customary units used with the international system" such as hour, minutes, litres, hectares, tonne or metric ton.In addition, the "Act" allows usage of what it labels as "Canadian units" (the imperial system), such as miles, inches, imperial gallons, and acres.In SCHEDULE III - section 5, the "Act" also provides for the usage of certain French units in what it labels as "UNITS OF MEASUREMENT TO DESCRIBE CERTAIN LAND IN QUEBEC".