The prosecution of the offence under s.49(1)(f) of the Road Safety Act 1986 (Vic) does not require proof that the police officer communicated to the motorist each of the 'requirements' in s.55(1), including the requirement to remain at the police station. The subsidiary requirements (to accompany and to remain) are facilitative powers, not elements of the offence. A certificate of analysis remains admissible for a s.49(1)(b) charge even if the s.49(1)(f) charge fails for non-compliance with s.55(1). The decisions in Dalzotto v Lowell, McCardy v McCormack, and DPP v Constantinou should not be followed insofar as they hold otherwise.
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