(a) fails to halt when challenged by an authorized guard;
(b) resists or obstructs, or aids or incites any person to resist or obstruct, an authorized guard in the discharge of the duties imposed upon him by this Ordinance or in exercise of the powers hereby conferred;
(c) (Repealed 1 of 1997 s. 27)
(d) being a person who is unauthorized to enter a protected place fails to leave the immediate vicinity thereof when requested to do so by an authorized guard or a member of the police force,
shall be guilty of an offence and shall be liable on summary conviction to a fine at level 1 and to imprisonment for 6 months.