Test of competence to drive a Class 4, 4A or 5 vehicle
16.—(1)  Any person desiring to submit himself for a test of competence to drive —
(a)a Class 4 or Class 4A vehicle shall satisfy the Deputy Commissioner of Police that he is competent to drive a Class 3 vehicle; and
(b)a Class 5 vehicle shall satisfy the Deputy Commissioner of Police that he is competent to drive a Class 4 vehicle.
(2)  For the purpose of paragraph (1), a person shall not be deemed to be competent to drive a vehicle of any class if he has, as a holder of a driving licence, accumulated more than 12 demerit points as at the date of his application.
(3)  The Deputy Commissioner of Police may, in his discretion, waive all or any of the requirements of this rule.