55.This section provides details of how orders may be challenged. Subsection (1) sets out the grounds of challenge and the period of time within which a challenge can be made. Subsection (2) provides details of when the challenge period starts to run. Subsection (3) describes how the Court of Session may act in relation to any challenge made and subsection (4) confirms that any challenge can only be made within the designated 42 day period as described in subsections (1) and (2).