An administrative notice suspending a driver licence is not invalid merely because it contains an ambiguity or inconsistency, provided the ambiguity can be resolved by construction. Where a notice states both a period of suspension and a recommencement date that implies a slightly different period, the stated period is the operative provision and the inconsistent recommencement date is to be disregarded. The notice should be construed favourably to the licence holder. The Acts Interpretation Act 1901 (Cth), s 46, and the Interpretation Act 1987 (NSW), s 32, apply to non-legislative instruments issued under statutory power, requiring them to be upheld to the extent they are within power.
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