20Operation of determinations

#### 20 Operation of determinations 20 Operation of determinations > > (1) Subject to this Act, a determination, the report of which is published in the Gazette under section 19 (1) and which was made under— > > > > > (a) (Repealed) > > > > > (b) section 13—shall come into force, or be deemed to have come into force, on 1 July in the year in which it is made, and > > > > > (c) section 14, 15 or 15A—shall come into force, or be deemed to have come into force, on the day specified in the determination as the day on which the determination is, or is to be deemed, to come into force. > > > (2) Subject to this Act, a determination shall continue in force until and including 30 September next following the day on which it comes into force. > > > (2A) Subject to this Act, a determination made under section 15A shall continue in force until another determination made under section 13 or 15A comes into force. > > > (2B) A determination made under section 13 or 15A has effect subject to any subsequent alteration that was made under section 14 or 15 and that is in force. > > > (2C) A determination made under section 13 shall not come into force if, after it was made and before it would, but for this subsection, have come into force, a determination made under section 15A comes into force. > > > (3) A determination has effect subject to any alteration made to it by a determination that was made under section 14 or 15 and that is in force. > > > (4) Where— > > > > > (a) a determination is made under section 15 for the purpose of applying a wages decision, > > > > > (a1) a determination is made under section 15A in consequence of the making of a wages decision, or > > > > > (b) a wages decision is to be applied in accordance with a provision of the kind referred to in section 16 (2), > > > > no alteration of remuneration shall be effected thereby before— > > > > > (c) the day as on and from which rates of wages in awards made under the [Industrial Relations Act 1996](/view/html/inforce/current/act-1996-017) are varied in consequence of the wages decision, or > > > > > (d) where any of those rates are so varied as on and from different days—the earlier or earliest of those days. > > > (5) A determination shall not be challenged, reviewed, quashed or called into question before any court or in any legal proceedings, or restrained, removed or otherwise affected by proceedings in the nature of prohibition, mandamus, certiorari or otherwise. > > **s 20:** Am 1984 No 62, Schs 1 (6), 2 (5); 1996 No 121, Sch 4.51 \[2\]; 2013 No 40, Sch 6.9 \[10\].