Further calculations
15.—(1) As soon as is reasonably practicable after the conclusion of the audit of the final accounts, a designated authority shall make calculations in relation to each participant authority in accordance with Schedule 1 and shall serve on each such authority a notice setting out the calculations it has made in relation to that authority and any other participant authority.
(2) A participant authority may, not later than the expiry of the period of two months beginning with the date of service of the notice under paragraph (1) above, notify the designated authority and any other participant authority in writing that it disagrees with the calculations set out in the notice.