"61. Determination of appeal by Court of Appeal (1) On an appeal under section 58 [which is what this would be] the Court of Appeal may confirm, reverse or vary any ruling to which the appeal relates. (2) Subsections (3) to (5) apply where the appeal relates to a single ruling [that is this case]. (3) Where the Court of Appeal confirms the ruling, it must, in respect of the offence or each offence which is the subject of the appeal, order that the defendant in relation to that offence be acquitted of that offence. (4) Where the Court of Appeal reverses or varies the ruling, it must, in respect of the offence or each offence which is the subject of the appeal, do any of the following -- (a) order that proceedings for that offence may be resumed in the Crown Court, (b) order that a fresh trial may take place in the Crown Court for that offence, (c) order that the defendant in relation to that offence be acquitted of that offence."
"But the Court of Appeal may not make an order under section (4)(a) or (b) in respect of an offence unless it considers it necessary in the interests of justice to do so."
"(6) Subsections (7) and (8) apply where the appeal relates to a ruling that there is no case to answer and one or more other rulings. (7) Where the Court of Appeal confirms the ruling that there is no case to answer, it must, in respect of the offence or each offence which is the subject of the appeal, order that the defendant in relation to that offence be acquitted of that offence. (8) Where the Court of Appeal reverses or varies the ruling that there is no case to answer, it must, in respect of the offence or each offence which is the subject of the appeal, make any of the orders mentioned in subsection (4)(a) to (c) [and then these important words] (but subject to subsection (5))."
"But the Court of Appeal may not make an order under subsection (4)(c) in respect of an offence unless it considers that the defendant could not receive a fair trial if an order were made under subsection (4)(a) or (b)."