30.—(1) These are the requirements for the making of an account monitoring order.
(2) There must be reasonable grounds for suspecting that the application relates to an external investigation.
(3) There must be reasonable grounds for believing that—
(a)account information which may be provided in compliance with the order is likely to be of substantial value (whether or not by itself) to the external investigation, and
(b)it is in the public interest for the account information to be provided, having regard to the benefit likely to accrue to the external investigation if the information is obtained.