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Weights and Measures Regulations

Version of section 20 from 2014-08-01 to 2024-04-01:

  •  (1) Before being sold or otherwise disposed of, or leased, a weight that is of a class, type or design approved for use in trade shall be marked with the following information:

    • (a) the number of units of mass or weight that the weight contains;

    • (b) in the case of a counterpoise weight used as part of a weighing machine, the number of units of mass or weight to which the weight is equivalent when used as a counterpoise with the weighing machine of which it forms a part;

    • (c) in the case of a weight of 1 gram or multiple or submultiple thereof, the word “gram” or its symbol “g”, together with the appropriate prefix or symbol as set out in Part V of Schedule I to the Act;

    • (d) in the case of a weight of 1 troy ounce, or multiple or submultiple thereof, the word “troy” or its abbreviation; and

    • (e) in the case of a weight of any avoirdupois unit or multiple or submultiple thereof that is manufactured or imported after January 1, 1976, the name of the unit or the symbol or abbreviation for the unit.

  • (2) Paragraphs (1)(c), (d) and (e) do not apply to a weight that is so small that it is impracticable to show the information required by those paragraphs.

  • (3) Paragraph (1)(a) does not apply to

    • (a) sheet metal or wire weights of 1 milligram or multiples or submultiples thereof, or

    • (b) sheet metal or wire weights of 1 grain or multiples or submultiples thereof

    if the weights are manufactured in the customary distinctive shapes to denote the multiple or submultiple of the milligram or grain that the weight represents.

  • SOR/2005-297, s. 41(F)
  • SOR/2014-111, s. 14

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