(1) A person licensed or authorised under these regulations to manufacture, sell or supply any narcotic substance must keep every record, prescription, invoice and other document relating to any transaction involving any narcotic substance for not less than 2 years from the latest date on which such record, prescription, invoice, order or document was made or acted upon.Penalty: Fine not exceeding 10 penalty units.(2) On demand by an inspector must furnish particulars of the quantity of any narcotic substance obtained and the amount disposed of or on hand.(a) the holder of any licence to manufacture, sell or supply any narcotic substance; or(b) any person authorised by regulation 14 to possess and use a narcotic substance Penalty: Fine not exceeding 10 penalty units.