(1) Notwithstanding any requirement made by or under any enactment or any other requirement in administrative and operational procedures, including internal procedures, all reasonable care shall be taken to ensure that the identity of a bureau officer, who is an officer of the Revenue Commissioners or an officer of the Minister for Social Welfare or the identity of any member of the staff of the Bureau, shall not be revealed.
(2) Where a bureau officer who is an officer of the Revenue Commissioners or an officer of the Minister for Social Welfare may, apart from this section, be required under the Revenue Acts or the Social Welfare Acts, as the case may be, for the purposes of exercising or performing his or her powers or duties under those Acts, to produce or show any written authority or warrant of appointment under those Acts or otherwise to identify himself or herself, the bureau officer shall -
(a) not be required to produce or show any such authority or warrant of appointment or
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