(1) road vehicles used for transport services adapted for the needs of handicapped or mobility-impaired persons and buses, where those vehicles are operated by or on behalf of(a) the Agence métropolitaine de transport established under the Act respecting the Agence métropolitaine de transport (chapter A-7.02);
(b) a public transit authority established under the Act respecting public transit authorities (chapter S-30.01);
(c) an intermunicipal board of transport established under sections 2 and 8 of the Act respecting intermunicipal boards of transport in the area of Montréal (chapter C-60.1);
(d) a regional public transport board established under sections 18.6 and 18.13 of the Act respecting intermunicipal boards of transport in the area of Montréal;
(e) an intermunicipal management board established under article 580 of the Municipal Code of Québec (chapter C-27.1) or section 468.11 of the Cities and Towns Act (chapter C-19), a local municipality or a group of municipalities, where they organize a public transit service under section 48.18 of the Transport Act (chapter T-12);