(1) In this Act, unless the contrary intention appears—
"authorized person" means a person empowered to make an arrest under this Act or any other law or by a warrant;
"the commencement date" means 3 November 1977, being the date on which the Arrest Act 1977 came into force;
court" means any court, other than a Village Court, and includes a judge or magistrate of any court, other than a Village Court;
"craft" means an aircraft or vessel;
"information" includes a complaint for an offence;
"officer-in-charge" in relation to a police station at a particular time, means the policeman who is in charge of the police station at that time;
"place of confinement" means a corrective institution, rural lock-up or police lock-up;
"policeman" means a member of the Police Force;
"warrant" means a warrant issued under this Act or any other law for the arrest of a person.
(2) A reference in this Act to an offence for which a penalty is imprisonment does not include an offence in respect of which a sentence of imprisonment may only be imposed in default of payment of a fine.
(3) For the purposes of this Act a person believes something on reasonable grounds if—
(a) he personally has that belief; and
(b) there are reasonable grounds for that belief.