(1) Neither -

(a) an urgent interim measure, nor

(b) an adjudication,

shall be challenged, including as to its validity, other than by way of an appeal, in the case of an urgent interim measure, under section 105, or, in the case of an adjudication, under section 106.

(2) For the avoidance of doubt, in respect of a decision under section 57, 90 or 91 no proceeding (including an application for judicial review whether in accordance with section 112 or otherwise) may be brought before the courts other than an appeal under section 105 in the case of a decision under section 57 or, in the case of a decision under section 90 or 91, an appeal under section 106 or an application to have the decision confirmed under section 109.