(3) A disclosure may be
referred before or after the matter concerned has been investigated and
whether or not any investigation of the matter is complete or any findings
have been made by the investigating authority.
(7) Despite any other Act or
law (including section 22), an investigating authority referring, or
considering whether to refer, a matter to another investigating authority may
exchange information or enter into arrangements (or both) with the other
authority--
(a) to avoid duplication of action, and
(b) to allow the
resources of both authorities to be efficiently and economically used to take
action, and
(c) to ensure that action is taken in a manner providing the most
effective result.