16A(1)
A person in whose case the Crown Court—
(a) makes a hospital order or interim hospital order by virtue of section 5 or 5A of the Criminal Procedure (Insanity) Act 1964, or
(b) makes a supervision order under section 5 of that Act,
may appeal to the Court of Appeal against the order.
16A(2)
An appeal under this section lies only—
(a) with the leave of the Court of Appeal; or
(b) if the judge of the court of trial grants a certificate that the case is fit for appeal.