(1) For the purposes of this regulation–
(a) “replacement order” means an order which revokes and re-enacts another order, but has no other effect,
(b) “revocation order” means an order which revokes another order, but has no other effect,
(c) “previous order”, in relation to a revocation order or replacement order, means the order revoked by the revocation order or replacement order (as the case may be).
(2) Regulations 5, 6, 7 and (save as provided in paragraph (4)) 15 shall not apply to a revocation order or replacement order if–
(a) at the date that the revocation order or replacement order is made, no provision in the previous order has come into force;
(b) in relation to the previous order, the order making authority, at that date–
(i) have failed to comply with the requirements set out in sub-paragraphs (d) or (e) of regulation 16(1), or
(ii) are satisfied that they would not be able to comply with the requirements set out in either of those sub-paragraphs,
within the time limits specified therein and the revocation order or replacement order (as the case may be) states that they have so failed or are so satisfied;
(c) the order making authority at that date are satisfied that such failure or inability to comply was or is due to exceptional circumstances and the revocation order or replacement order (as the case may be) states that they are so satisfied;
(d) the authority making the revocation order or replacement order are the authority that made the previous order;
(e) in the case of a revocation order, the order comes into force on the date it is made;
(f) in the case of a replacement order–
(i) in so far as the order revokes the previous order it comes into force on the day that it is made,
(ii) apart from the different commencement dates and the revocation of the previous order, the previous order and the replacement order have the same effect, and
(iii) the authority had, in relation to the previous order, complied with–
(i) all the requirements of these Regulations other than regulations 16 and 17, and
(ii) all the requirements of the 1984 Act,
with respect to the making of such an order.
(3) Where by virtue of this regulation an order making authority make a revocation order which comes into force on the date it is made they shall if it is practicable, comply with the requirements set out in paragraphs (d) and (e) of regulation 16(1) within the time limits specified therein, but if such compliance is not practicable and they comply with each of the requirements as soon as practicable thereafter they shall be deemed to have complied with those paragraphs.
(4) Where by virtue of this regulation a replacement order comes into force on the day it is made in so far as it revokes a previous order, regulation 15 shall nevertheless apply to the replacement order in so far as it has any other effect.