Every person who—
(1)steals any dog after a previous summary conviction of any such offence; or
(2)unlawfully has in his possession or on his premises any stolen dog, or the skin thereof, knowing such dog or skin to have been stolen, after a previous summary conviction of any such offence ; or
(3)corruptly takes any money or reward, directly or indirectly, under pretence or upon account of aiding any person to recover any stolen dog, or any dog which is in the possession of any person not being the owner thereof;
shall be guilty of a misdemeanour, and on conviction thereof liable to imprisonment for any term not exceeding eighteen months, with or without hard labour.