65.4. For the purposes of this subdivision, a public contract is a construction contract and any subcontract for construction that relates directly or indirectly to such a contract to which the following bodies are party:
(1) a government department or a public body as defined in section 49 of the Financial Administration Act (chapter A-6), with the exception of a public body that is exempted under section 49.3.1 of that Act;
(2) a school board, the Conseil scolaire de l’Île de Montréal or a general and vocational college;
(3) a public institution under the Act respecting health services and social services (chapter S-4.2), a regional board established under that Act, the Corporation d’hébergement du Québec referred to in section 471 of that Act, a public institution under the Act respecting health services and social services for Cree Native persons (chapter S-5), or a regional council established under that Act;
(4) a municipality, an urban community, the Kativik Regional Government, a mixed enterprise company under the Act respecting mixed enterprise companies in the municipal sector (chapter S-25.01), an intermunicipal transit management board, a municipal or intermunicipal transit corporation, an intermunicipal board of transport, or any other body whose board of directors is composed in the majority of elected municipal officers, where the Government, a government department or body makes a grant to them or ensures the payment thereof in relation to the construction project that is the subject of the contract.