In the exercise of their functions, they may not
(1) use obscene, blasphemous or offensive language;
(2) commit injurious acts or use injurious language based on race, colour, sex, pregnancy, sexual orientation, civil status, age, religion, political convictions, language, ethnic or national origin, social condition, a handicap or the use of any means to palliate a handicap;
(3) be disrespectful or impolite toward a person; or
(4) use or be under the influence of alcoholic beverages, hallucinogens, anaesthetics, narcotics, drugs or any other substance causing reduced or disturbed faculties or intoxication.