Ordinary interpretation principles apply to legislative instruments – nothing new here12. This case stresses the settled content of those principles13, the need always to consider statutory purpose from the get-go14, and the mandatory nature of s 15AA in choosing the meaning that best achieves that purpose15.
At issue was the meaning of ‘for at least 70 hours each week’ in the ‘large medical centre’ definition of a determination. Did it take account of weeks containing a public holiday? Applying a purpose-based approach, the court (at ) said ‘yes’. This pharmacy was a ‘large medical centre’ despite not opening for 70 hours in public holiday weeks.
This principle is from Episode 67 of interpretation NOW!