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Contents (1987 - 15)
Interpretation Act 1987 No 15
Current version for 15 September 2015 to date (accessed 20 October 2017 at 07:11)
Part 2 Section 9
9   Meaning of may and shall
(1)  In any Act or instrument, the word “may”, if used to confer a power, indicates that the power may be exercised or not, at discretion.
(2)  In any Act or instrument, the word “shall”, if used to impose a duty, indicates that the duty must be performed.