4. This Decree does not apply to(1) employees of the government of Canada or of Québec, a municipality, an intermunicipal board or a metropolitan community;
(2) members of a police force and special constables appointed under the Police Act (chapter P-13.1); (3) employees employed exclusively by a professional employer within the meaning of the Act respecting labour relations, vocational training and workforce management in the construction industry (chapter R-20); or (4) employees who perform traffic control work exclusively for the specific service or needs of their employer.