2.1. The following road vehicles are exempted from payment of the toll for their passages on bridge P-15020 on autoroute 25:
(1) emergency vehicles within the meaning of the Highway Safety Code (chapter C-24.2);
(2) road vehicles for which a registration plate was issued by the Department of National Defence (Canada).
Subparagraph 2 of the first paragraph does not operate to limit the exemption provided for in section 261 of the National Defence Act (R.S.C. 1985, c. N-5).