A State Parliament may enact legislation that changes the legal standard against which the validity of subordinate legislation is to be assessed, even where proceedings challenging that subordinate legislation are pending, provided the legislation does not direct the court as to the outcome. The Liquor Licensing (Late Night Trading) Code of Practice 2013, including its lockout provision (clause 12), is valid under the amended s 11A of the Liquor Licensing Act 1997 (SA). The code-making power under s 11A may impinge on trading privileges conferred by licences, because s 42 makes compliance with codes a condition of every licence, but cannot be used to render licences an 'empty shell'.
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