s 23 Possession of documents, etc., in contravention of order under section 20
23.—(1) Any person who without lawful excuse has in his possession any document or publication the possession of which is prohibited by an order under section 20, or any extract therefrom, shall be guilty of an offence under this Part and shall be liable in respect of a first offence under this section to a fine not exceeding $1,000 or to imprisonment for a term not exceeding one year or to both and, in respect of a subsequent offence to imprisonment for a term not exceeding 2 years. (2) In any proceedings against any person for an offence under this section such person shall be presumed, until the contrary is proved, to have known the contents and the nature of the contents of any document or publication immediately after the document or publication came into his possession.