158Date of effect of Social Security Appeals Tribunal decisions

#### 158 Date of effect of Social Security Appeals Tribunal decisions General rule (1) Subject to subsections (2) and (3), a decision by the Social Security Appeals Tribunal under this Act comes into operation immediately on the giving of the decision. Social Security Appeals Tribunal may specify later date (2) The Social Security Appeals Tribunal may specify in a decision that the decision is not to come into operation until a later day specified in the decision and, if it does so, the decision comes into operation on that later day. Decision varied or substituted (3) Subject to subsection (4), if the Social Security Appeals Tribunal: (a) varies the decision under review; or (b) sets aside the decision under review and substitutes a new decision for the decision under review; the decision as varied or the new decision, as the case requires, has effect, or is to be taken to have had effect, on and after the day on which the decision under review has or had effect. Social Security Appeals Tribunal may vary rule under subsection (3) (4) The Social Security Appeals Tribunal may order: (a) that subsection (3) not apply to a decision by the Social Security Appeals Tribunal on a review; and (b) that subsections (1) and (2) apply instead. Application (5) This section does not apply to a decision under section 39 to the extent to which it relates to the terms of a Case Management Activity Agreement that is in force.