14. The assistant directors are authorized, in the exercise of their powers, duties and functions, to sign(1) supply contracts the amount of which does not exceed $20,000, save where the good concerned is acquired by catalogue from the Centre d’acquisitions gouvernementales or, as the case may be, Infrastructures technologiques Québec in which case the amount of such contracts must not exceed $25,000; and
(2) services contracts relating to the hiring of a labour relations negotiator or arbitrator, of an expert witness before the court or of a physician or a dentist in matters of medical assessment and the amount of which does not exceed $25,000.