(3) being an employee of the Régie, contravenes a provision of this act or the Act respecting liquor permits, otherwise than by purchasing alcoholic beverages in the manner mentioned in section 121 of this act,is guilty of an offence against this act, and may be arrested without a warrant, provided that he is brought without delay before a court having jurisdiction, and he is liable, in addition to the costs, for the first offence, to a fine of not less than $250 nor more than $575, and for a second offence and any subsequent offence, to imprisonment for a term of three months, which the court may reduce to one month.