Burden of proof
236 If it is shown that a company makes any discrimination in tolls, service or facilities against any person or locality, the burden of proving that the discrimination is not unjust lies on the company.
Source
https://laws-lois.justice.gc.ca/eng/acts/C-15.1/section-236.htmlDocument officiel chez le régulateur. Citez toujours cette URL — et non la page de détail Vantage — dans les preuves de conformité.