Employing units or agents thereof supplying information to the employment security department pertaining to the cause of a benefit claimant's separation from work, which cause stated to the department is contrary to that given the benefit claimant by such employing unit or agent thereof at the time of his or her separation from the employing unit's employ, shall be guilty of a misdemeanor and shall be punished by a fine of not less than twenty dollars nor more than two hundred and fifty dollars or by imprisonment in the county jail for not more than ninety days.