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PART 4Transitional Arrangements

17.—(1) This Order does not affect the continued operation of authorisations granted or renewed under section 29 of the Act before this Order comes into force.

(2) For the purposes of article 3 any period for which the relevant source has previously been authorised as a source in relation to the same investigation or operation prior to the coming into force of this Order shall be disregarded save for any period in relation to an authorisation that is extant on the date that this Order comes into force.