(3) The registration may be renewed for a further period of ten years at a time or such other period as may be prescribed or specified by the Board. (4) Where the Board refuses to register any pesticide or toxic substance, the notice of refusal shall state the reasons for such refusal. 77 Offences relating to pesticides and toxic substances (1) No person shall— (a) use or dispose into the environment a pesticide or toxic substance in contravention of any standards or measures prescribed in terms of section seventy-four; (b) change the composition of a pesticide or toxic substance, contrary to any standards or measures referred to in paragraph (a); (c) detach, alter or destroy any labelling on a pesticide or toxic substance contrary to any standards or measures referred to in paragraph (a). (2) No person shall sell, offer for sale, hold for sale, import, deliver for importation to, or receive from, deliver or offer to deliver to any other person any pesticide or toxic substance that he knows is not registered in terms of section seventy-six or does not have reasonable cause for believing is so registered. (3) Any person who contravenes any provision of this section shall be guilty of an offence and shall be liable upon conviction to a fine of not exceeding ten million dollars or to imprisonment for a period of not exceeding ten years or to both such fine and such imprisonment. (4) Any person who is convicted on a second or subsequent conviction shall be liable to a fine not exceeding ten million dollars or to imprisonment for a period not exceeding ten years or to both such fine and such imprisonment. 78 Seizure of pesticides and toxic substances (1) Any pesticide or toxic substance which the Board reasonably suspects to be the subject matter of an offence under this Act shall be liable to seizure by the Board. (2) Where any pesticide or toxic substance is seized under subsection (1), it shall be released, if, after a period of twelve months— (a) no prosecution has been instituted with regard to the pesticide or toxic substance; (b) no person is convicted of an offence in relation to such pesticide or toxic substance. 79 Standards for noise The Standards and Enforcement Committee shall, in consultation with the Agency, recommend to the Board— (a) minimum standards to be prescribed for the emissions of noise and vibration pollution into the environment as are necessary to preserve and maintain public health and the environment; (b) criteria and procedures to be prescribed for the measurement of noise and vibration pollution into the environment; (c) criteria and procedures to be prescribed for the measurement of sub-sonic vibration; (d) noise level and noise emission standards to be prescribed that are applicable to construction sites, plants machinery, motor vehicles, aircraft including sonic bonus, industrial and commercial activities; 38