18.—(1) No provision of this Part relating to accounts shall prejudice any provision of Article 119 of the 1986 Order.
(2) Nothing in Articles 13 and 14 shall prejudice any remedy available to a person (apart from those Articles) in respect of a failure to observe a provision of this Part.
(3) Nothing in this Part shall be construed as authorising a board to enter into any contract or carry out any work which it would not be authorised to enter into or carry out apart from this Part.