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.htmlDocument officiel chez le régulateur. Citez toujours cette URL — et non la page de détail Vantage — dans les preuves de conformité.