Ottawa Retail Scales - Weights & Measures Bylaws

Business and Consumer Protection Ontario 3 Minutes Read · published February 11, 2026 Flag of Ontario

Ottawa, Ontario businesses that sell goods by weight must follow Canadas legal metrology rules for retail scales. Measurement Canada is the federal authority for legal metrology and device verification; monetary fines are not specified on the cited page.[1]

Penalties & Enforcement

Enforcement for legal-for-trade requirements is primarily federal; local municipal by-law teams receive complaints and coordinate local inspections and compliance actions through By-law and Regulatory Services in Ottawa.[2]

  • Monetary fines: not specified on the cited page for federal legal metrology; municipal fine schedules are not specified on the cited page.
  • Escalation: information about first, repeat or continuing offence escalation is not specified on the cited page.
  • Non-monetary sanctions: orders to repair/replace, device seizure, stop-sale notices and court action may be used where devices are non-compliant; specific measures are set out by the enforcing authority or court.
  • Enforcer and complaint pathways: Measurement Canada handles legal verification and enforcement; local complaints and municipal enforcement are handled by City of Ottawa By-law and Regulatory Services. See Help and Support for contacts below.
  • Appeals and review: appeal routes depend on the issuing authority (federal administrative review or provincial/municipal appeal mechanisms); time limits and processes are determined by the enforcing instrument and are not specified on the cited page.
Check Measurement Canada for official device verification procedures.

Applications & Forms

  • Device verification or inspection requests: Measurement Canada provides verification services and guidance for legal-for-trade devices; specific application names and fees are published by Measurement Canada.
  • Municipal complaint forms: City of Ottawa provides complaint/reporting forms for by-law issues and consumer complaints; check the city site for submission method and required information.
  • Fees and deadlines: specific fees, deadlines or a required application form for retail scale verification or municipal action are not specified on the cited pages.

FAQ

Who enforces legal-for-trade requirements for retail scales in Ottawa?
Measurement Canada enforces federal legal metrology and verification; the City of Ottawa manages local by-law complaints and may coordinate inspections.
How often must retail scales be verified?
Verification frequency is set by the device type and federal requirements; check Measurement Canada guidance for schedules and tolerances.
What should I do if a customer questions a scale?
Do not alter the device; document the complaint, keep records, and contact Measurement Canada or City of Ottawa By-law Services to request an inspection or verification.

How-To

  1. Maintain records: keep calibration certificates, repair records and verification tags for each retail scale.
  2. Schedule verification: arrange periodic verification or after repairs through an authorized service provider or Measurement Canada guidance.
  3. Respond to complaints: preserve the device and documentation, and notify municipal by-law services and Measurement Canada if legal-for-trade accuracy is questioned.
  4. Follow corrective orders: comply promptly with repair, replacement or sealing orders to avoid further enforcement action.
  5. Appeal if necessary: use the enforcement authoritys stated review or appeal process within the time limits they provide.

Key Takeaways

  • Measurement Canada is the primary federal authority for legal metrology and verification of retail scales.
  • Local complaints and municipal enforcement are handled by City of Ottawa By-law and Regulatory Services.
  • Keep clear records and act quickly on verification or repair notices to maintain compliance.

Help and Support / Resources


  1. [1] Measurement Canada  Legal Metrology and Services
  2. [2] City of Ottawa  Report a by-law problem or complaint