All traffic law enforcement officers of the department of public safety will warn for a period of three months after the effective date of the law all violators of any new traffic law that imposes additional or new restrictions. Exceptions to this rule are:
  (1) flagrant violations;
  (2) continued willful violation after warning;
  (3) laws that have received publicity to the extent that the public is already familiar with their provisions; and
  (4) any violation that is a major contributing factor in a traffic accident.

Source Note: The provisions of this §3.25 adopted to be effective January 1, 1976