Legal for Trade Certifications

 Since the  modification of the Weights and Mesures Act in 2013, periodic scale exams to renew legal for trade certifications are now required in eight business sectors. These exams are part of the framework that sets out the regulations and obligations for proving the conformity of weighing instruments.

Applicable sectors and frequency of periodical exams:

• wholesale trade of fishing products - 1 year
• wholesale trade of dairy products - 2 years
• retail food trade - 5 years
• wholesale trade of grain and field crop products and services - 2 years
• wholesale trade of mining products - 2 years
• retail petroleum trade - 2 years
• downstream petroleum trade - 2 years
• trade of forestry products - 1 year

Servicing eastern Ontario and southern Quebec, can assist in scheduling legal for trade certification renewals. For more information or to request a quote e-mail us at

For more detailed information we invite you to visit the information set out by Measurement Canada on their website at