A primary recipient of confidential information, or a person obtaining such information directly or indirectly from a primary recipient, is permitted to disclose such information to any person -

(a) for the purposes of any criminal investigation which is being or may be carried out, whether in the United Kingdom or elsewhere;

(b) for the purposes of any criminal proceedings which have been or may be initiated, whether in the United Kingdom or elsewhere;

(c) for the purposes of any proceedings under Part 2, 3 or 4 of the Proceeds of Crime Act 2002 [2002 c. 29.] which have been, or may be initiated; or

(d) for the purpose of initiating or bringing to an end any such investigation or proceedings, or of facilitating a determination of whether it or they should be initiated or brought to an end.