Section 70. Where at the time of arrest or seizure under this Act, or the detection of any contravention of any

70. Where at the time of arrest or seizure under this Act, or the detection of any contravention of any provision of this Act or any rule or order made thereunder, any person makes a statement to the officer making such arrest, seizure or detection, that officer shall record in writing the statement of such person in as nearly as possible the language in which such statement is made and shall on demand by such person furnish him with a copy of the statement.