(1) The penalty shall be imprisonment of not less than three years if

1.  the offender or another accomplice to the robbery

(a)  carries a weapon or other dangerous instrument;

(b)  otherwise carries an instrument or means in order to prevent or overcome the resistance of another person by force or threat of force;

(c)  by the act places another person in danger of serious injury; or

2.  the offender commits the robbery as a member of a gang whose purpose is the continued commission of robbery or theft under participation of another member of the gang.

(2) The penalty shall be imprisonment of not less than five years if the offender or another accomplice to the robbery

1.  uses a weapon or other dangerous instrument during the commission of the offence;

2.  carries a weapon in cases under subsection (1) No 2 above; or

3.  during or by the offence

(a)  seriously physically abuses another person; or

(b)  places another person in danger of death.

(3) In less serious cases under subsections (1) and (2) above the penalty shall be imprisonment from one to ten years.