When people told me this I thought it was a legend too. I started looking up more into the topic. Case law into driving which the first Driver License was issued in 1929 in alberta for operators. People argue legislation gives them the power to regulate traffic, which it does under the constitution act. For some reason in canada people like to cite the charter, which is only a small part of the canadian constitution. Much if not all dismissals are from challenging court jurisdiction using disclosure. For example on one site that lists every company in the world, it lists almost every canadian organization as a company or corporation. Likewise, I personally have never had problems with the police. I have gotten pulled over in the past for minor and more serious offenses, and usually let go, but that was years ago.
https://www.youtube.com/watch?v=mukxKL3egwI Restrictions on secondary activities
49. (1) A member of a police force shall not engage in any activity,
(a) that interferes with or influences adversely the performance of his or her duties as a member of a police force, or is likely to do so;
(b) that places him or her in a position of conflict of interest, or is likely to do so;
(c) that would otherwise constitute full-time employment for another person; or
(d) in which he or she has an advantage derived from being a member of a police force. R.S.O. 1990, c. P.15, s. 49 (1); 2009, c. 30, s. 50 (1).
Obedience to de facto law
15 No person shall be convicted of an offence in respect of an act or omission in obedience to the laws for the time being made and enforced by persons in de facto possession of the sovereign power in and over the place where the act or omission occurs.
R.S., c. C-34, s. 15.