Leave required
213 (1) A pipeline or section of a pipeline must not be opened for the transmission of hydrocarbons or any other commodity by a company unless an order granting it leave to do so has been made by the Commission. (2) Leave may be granted by the Commission under this section only if it is satisfied that the pipeline may safely be opened for transmission.
Source
https://laws-lois.justice.gc.ca/eng/acts/C-15.1/section-213.htmlDocument officiel chez le régulateur. Citez toujours cette URL — et non la page de détail Vantage — dans les preuves de conformité.