12. Within seven days of a shipper requesting it, a rail carrier must provide a tariff to the shipper in respect of any rail transportation services indicated by the shipper.
Where the shipper requests the establishment of a joint tariff by several rail carriers, the carriers must agree on such a tariff and provide it to the shipper within 15 days of the request.
Where no joint tariff has been agreed on at the expiry of that period, each carrier must provide its own tariff to the shipper within 48 hours.
All tariffs must be established in accordance with the regulations.