(1) regarding the importation and exportation of genetically modified organisms: (m) regarding the registration of a place or facility where activities concerning genetically modified organisms are undertaken: (n) prescribing(i) the manner in which and period within which an appeal under section 18 should be lodged: (ii) the fee payable in respect of such an appeal: (iii) the procedure at the proceedings of an appeal board: and (iv) the period within which an appeal board shall decide on an appeal; (o) prescribing control measures which shall be complied with by a user; (p) regarding classes of genetically modified organisms exempted from control under this Act: and (q) concerning, generally, any matter which he or she considers necessary or expedient to prescribe in order that the objects of this Act may be better achieved, the generality of the powers conferred by this paragraph not being limited by the provisions of the preceding paragraphs. (2) Any regulations made under subsection (1) may provide that any person who contravenes or fails to comply with a provision thereof, shall be guilty of ~n offence and liable on conviction to a fine, or to imprisonment for a period not exceeding two years. Offences and penalties Section 21 (1) Any person who- (a) contravenes or fails to comply with any condition, restriction, prohibition, reservation or directive imposed or issued in terms of this Act; (b) obstructs or hinders any inspector in the exercise of his or her powers or the performance of his or her duties in terms of this Act or refuses to furnish information as required in terms of this Act to the registrar: (c) refuses or fails to furnish information or give an explanation or to reply to the best of his or her ability to a question lawfully demanded from or put to him or her by any inspector in the performance of his or her functions in terms of this Act, or furnishes information, an explanation or a reply to any inspector which is false or misleading, knowing that it is false or misleading: or (d) falsely holds himself or herself out to be an inspector or any other officer appointed in terms of this Act, shall be guilty of an offence. (2) Any person convicted of an offence under this Act, shall-