open to review
(as defined in section 391(8) of the Act (Publication)) (in relation to a supervisory notice which does not take effect immediately or on a specified date) the status of the matter to which the notice relates when:
- (a) the period during which any person may refer a matter to the Tribunal is still running; or
- (b) the matter has been referred to the Tribunal but has not been dealt with; or
- (c) the matter has been referred to the Tribunal and dealt with but the period during which an appeal may be brought against the Tribunal's decision is still running; or
- (d) such an appeal has been brought but has not been determined.4