(1)  In this regulation,

existing determination , in relation to a declared electrical service price determination relating to a declared electrical service, means –

(a) another declared electrical service price determination relating to that declared electrical service; or

(b) a pricing order relating to that declared electrical service.

(2)  A declared electrical service price determination relating to a declared electrical service takes effect –

(a) if at the time the determination is made no existing determination is in force, on the day specified in the determination; or

(b) if at the time the determination is made an existing determination is in force having not yet reached its expiry date, on the expiry or revocation of that existing determination; or

(c) if at the time the determination is made an existing determination is in force by reason of subregulation (5) , on the day specified in that determination.

(3)  A declared electrical service price determination ceases to have effect –

(a) if each declaration of declared electrical service in respect of all declared electrical services to which the determination applies has been revoked, on the day on which the last of those revocations takes effect; or

(b) if the determination is revoked, on the day that revocation takes effect; or

(c) if the determination by reason of subregulation (5) is continued after the day it would normally expire, when another declared electrical service price determination in respect of the declared electrical service to which the determination applies takes effect; or

(d) in any other case, on the day specified in the determination as the day on which it expires.

(4)  If a declared electrical service price determination relates to more than one declared electrical service and a declaration of declared electrical service in respect of any of those electrical services is revoked, the declared electrical service price determination ceases to have effect in relation to the good or service in respect of which that declaration of declared electrical service was made.

(5)  If on the day on which a declared electrical service price determination is due to expire a declared electrical service pricing investigation is being conducted in respect of a declared electrical service to which that determination relates, that determination –

(a) continues to have effect in respect of that declared electrical service; but

(b) ceases to have effect in respect of any other declared electrical service to which it relates.