5. Functions of Bureau.
(1) Without prejudice to the generality of section 4, the functions of the Bureau, operating through its bureau officers, shall be the taking of all necessary actions -
(a) in accordance with Garda functions, for the purposes of, the confiscation, restraint of use, freezing, preservation or seizure of assets identified as deriving, or suspected to derive, directly or indirectly, from criminal conduct,
(b) under the Revenue Acts or any provision of any other enactment, whether passed before or after the passing of this Act, which relates to revenue, to ensure that the proceeds of criminal conduct or suspected criminal conduct are subjected to tax and that the Revenue Acts, where appropriate, are fully applied in relation to such proceeds or activities, as the case may be,
(c) under the Social Welfare Acts for the investigation and determination, as appropriate, of any claim for or in respect of benefit (within the meaning of section 204 of the Social Welfare (Consolidation) Act, 1993) by any person engaged in criminal conduct, and