Commencement of tariff
228 If a company files a tariff with the Regulator and the company proposes to charge a toll referred to in paragraph (b) of the definition toll in section 2, the Commission may establish the day on which the tariff is to come into effect, and the company is prohibited from charging the toll before that day.
Source
https://laws-lois.justice.gc.ca/eng/acts/C-15.1/section-228.htmlCanonical document at the regulator. Always cite this URL — not the Vantage detail page — in compliance evidence.