16.—(1) Regulations under this Part shall be subject to negative resolution.
(2) The power to specify under Article 10, 11 or 12, and the power to give a direction under Article 15, shall be exercised in writing.
(3) An order under Article 4(2) or (8), any regulations, specification or direction mentioned in paragraph (2) may include such supplementary, incidental, consequential or transitional provisions as appear to the Department to be necessary or expedient; and without prejudice to the generality of the foregoing—
(a)an order under Article 4(2) may include provision amending or adapting any provision of this Part for the purpose of interpreting any sub-paragraph added by the order or for purposes of commencement or otherwise, and
(b)a direction under Article 15 may include provision with respect to work in progress or outstanding contractual commitments.