If any person himself or herself, or by any person in his or her employ who—
(a) obstructs, hinders, molests or assaults any officer in the performance of any duty under this Act or the exercise of any power imposed or conferred on him or her by or under any enactment relating to Customs;
(b) does anything which impedes or is calculated to impede the carrying out of any entry or the search for anything liable to seizure removal and forfeiture, under this Act or any enactment relating to Customs;
(c) rescues, damages or destroys anything liable to forfeiture under this Act or any enactment relating to customs, or does anything calculated to prevent the procuring or giving of evidence as to whether or not anything is so liable to forfeiture; or
(d) prevents the detention of any person by a person duly engaged or acting as aforesaid, or rescues any person so detained,
or who attempts to do any of the aforementioned things, is liable on summary conviction to a fine not exceeding $1,000 or to a term not exceeding 6 months or to both such fine and imprisonment.