18. Proceedings relating to measures
(1) No appeal shall lie from any determination of the court in TPIM proceedings, except on a question of law.
(2) No appeal by any person other than the Secretary of State shall lie from any determination -
(a) on an application for permission under section 6; or
(b) on a reference under Schedule 2.
(3) Schedule 4 (proceedings relating to measures) has effect.