21. It is forbidden to hinder any person acting under section 20 in the performance of his duties, to mislead him by concealment or false statement or to fail to obey any lawful order he may give; such person, if so required, shall produce a certificate from the Société attesting his authority and signed by the president and chief executive officer or any vice-president of the Société.
1966-67, c. 55, s. 21; 1987, c. 10, s. 17; 1999, c. 40, s. 273.