15. An arbitrator whose name is entered on the list of arbitrators referred to in section 77 of the Labour Code (chapter C-27) after the period referred to in section 12 may nonetheless declare the tariff of remuneration within 30 days following the date of that entry.
Notwithstanding section 13, the remuneration provided for in the tariff declared under the first paragraph may be claimed only in respect of a grievance or dispute submitted to an arbitrator from the date on which the Minister notifies the arbitrator that the declared tariff was entered on the list referred to in section 18.