Criminal law - Appeal against conviction - Road Traffic Act 1974 (WA), s 97(2)(d) - Use of a number plate without entitlement to do so - Use of 'trade' or 'dealer' plates - Governing regulations - Entitlement to use 'dealer' plates following commencement of Road Traffic (Licensing) Amendment Regulations 2010 (WA) - Where no substantial miscarriage of justice notwithstanding errors of law and fact
Criminal law - Application of Criminal Code (WA) s 24 - Whether mistake of fact or law - Turns on own facts