Subject to the provisions of this Act, if any person—
(a)trafficks in any alcoholic liquor in any premises or place without holding a licence in that behalf, or
(b)barters or sells spirits by retail without holding a licence in that behalf, or
(c)hawks alcoholic liquor,
he shall be guilty of an offence, and a constable or any other person may arrest without warrant a person committing an offence under paragraph (c) above.