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

Regulations are current to 2015-11-16 and last amended on 2014-08-01. Previous Versions

 The installation and use of a machine shall be such as to ensure that it is protected from abnormal environmental factors such as excessive dust or extremes of temperature, vibration, electromagnetic or electrostatic fields that could have an adverse effect on its performance.

 A machine, other than a scale used for prepackaging or a device described in subsection 4(2), shall be installed so that the indications of the primary means of indication can be clearly read by any party to the transaction for which the machine is being used, but, if such an installation is not practicable, a secondary means of indication shall be provided to allow the parties to the transaction to read the indications.

  • SOR/2005-297, s. 16;
  • SOR/2012-28, s. 3.

 The primary indicator of a machine shall be so located as to allow an unobstructed view of the load-receiving element or the delivery outlet of the machine or, if owing to particular circumstances that is not feasible, a convenient means shall be provided for direct communication between an observer at the indicator and an observer at the load-receiving element or the delivery outlet.

 [Repealed, SOR/98-115, s. 11]

 A machine shall not be installed or used in conjunction with any supplementary means of registration unless that means of registration conforms to the specifications for registration set out in this Part and to the specifications established pursuant to subsection 13(1) and section 27.

  • SOR/2005-297, s. 17.

Division VIAutomatic Weighing Machines


 The following definitions apply in this Division.

“continuous totalizing weighing machine”

“continuous totalizing weighing machine” means a machine used for continuously weighing a bulk product on a conveyor belt, without systematic subdivision of the mass and without interruption of the movement of the conveyor belt. (appareil de pesage totalisateur en continu)

“electronic machine”

“electronic machine” means a machine, other than a continuous totalizing weighing machine, for use in trade that operates with electronic components and is equipped with a digital means of indication. (appareil électronique)

“known test load”

“known test load” means a load consisting of local standards or any other load the weight of which has been determined in relation to local standards. (charge connue)


“machine” means an automatic weighing machine for use in trade that weighs without the intervention of an operator and follows a predetermined program of automatic processes characteristic of the machine. (appareil)


“registration” includes both visual indication and printed representation of quantity, unit price or monetary value. (enregistrement)

“tare function”

“tare function” in respect of a machine, means a process, mechanism or feature that allows it to utilize tare. (fonction tare)

  • SOR/90-118, s. 20;
  • SOR/98-115, s. 12;
  • SOR/2005-130, s. 8;
  • SOR/2012-28, s. 4.