1. This Chapter applies to measures adopted or maintained:
(a) by the Federal Government, that relate to or affect trade in transportation services by carriers of a Province; and
(b) by a Province, that relate to or affect trade in transportation services by carriers of another Province.
2. Nothing in this Chapter shall be construed to prevent a Party from providing an essential public transportation service, either by means of a government enterprise or a contract with a private supplier, in a manner that is consistent with this Agreement.