Weights and Measures Regulations (C.R.C., c. 1605)

3 (1) A class, type or design of device is exempt from the Act where the class, type or design is

• (a) subject to verification pursuant to the Electricity and Gas Inspection Act; or

• (b) designed for use and used only in laboratories or in scientific study and not approved pursuant to section 3 of the Act.

(2) A device is exempt from the Act if it is used exclusively for

• (a) gauging and strapping tanker ship holds or tanks that have a capacity of more than 55,000 litres and that are used in the downstream petroleum trade; or

• (b) gauging ship holds that are used in the wholesale trade of mining products.