Northern Territory Consolidated Regulations Northern Territory Consolidated Regulations(1) A person must not affix a "give way to buses" sign as referred to in rule 77, or a sign containing words or symbols having a similar effect, to a vehicle unless:
(a) the sign is approved by the Registrar or is in the form depicted in Schedule 4 to the Australian Road Rules ; and
(b) the vehicle is one that is specified by the Registrar as approved to have the sign affixed.
(2) A person must not drive a vehicle that has a "give way to buses" sign, or a sign to similar effect, affixed unless the sign is affixed to the vehicle in accordance with the Registrar's approval.