121. No person may hinder, in the performance of his duties, a functionary or employee referred to in sections 119, 119.1, 120 and 120.1, mislead him by concealment or false declarations, neglect to obey any order he may give under this Act, or remove or deface a notice he has ordered posted, or allow it to become defaced.
Every functionary or employee referred to in the first paragraph must, if required, present a certificate of his office, signed by the Minister or the Deputy Minister.
1972, c. 49, s. 121; 1978, c. 64, s. 48; 1979, c. 49, s. 33; 1984, c. 29, s. 22; 2002, c. 53, s. 17; 2011, c. 20, s. 37.