Any application for a declaration under section 19 (1) of the Act that an item of account is contrary to law shall be made by claim form.

The claim form shall be served on the body to whose accounts the application relates and on any person against whom an order is sought under section 19 (2).

Not later than seven days after filing the claim form in the Crown Office F1... the applicant shall file in that office a witness statement or affidavit stating the facts on which he intends to rely at the hearing of the application.

The claim shall be entered for hearing within six weeks after the claim form has been filed in the Crown Office but, unless the Court otherwise directs, the application shall not be heard sooner than 28 days after service of the claim form.