((a)) Except as permitted by subsection (b) hereof, whoever, being an officer or employee of the executive branch of the United States Government, or of any independent agency of the United States, a Federal Reserve bank director, officer, or employee, or an officer or employee of the District of Columbia, including a special Government employee, participates personally and substantially as a Government officer or employee, through decision, approval, disapproval, recommendation, the rendering of advice, investigation, or otherwise, in a judicial or other proceeding, application, request for a ruling or other determination, contract, claim, controversy, charge, accusation, arrest, or other particular matter in which, to his knowledge, he, his spouse, minor child, general partner, organization in which he is serving as officer, director, trustee, general partner or employee, or any person or organization with whom he is negotiating or has any arrangement concerning prospective employment, has a financial interest—

((b)) Subsection (a) shall not apply—

((1)) if the officer or employee first advises the Government official responsible for appointment to his or her position of the nature and circumstances of the judicial or other proceeding, application, request for a ruling or other determination, contract, claim, controversy, charge, accusation, arrest, or other particular matter and makes full disclosure of the financial interest and receives in advance a written determination made by such official that the interest is not so substantial as to be deemed likely to affect the integrity of the services which the Government may expect from such officer or employee;

((2)) if, by regulation issued by the Director of the Office of Government Ethics, applicable to all or a portion of all officers and employees covered by this section, and published in the Federal Register, the financial interest has been exempted from the requirements of subsection (a) as being too remote or too inconsequential to affect the integrity of the services of the Government officers or employees to which such regulation applies;

((3)) in the case of a special Government employee serving on an advisory committee within the meaning of chapter 10 of title 5 (including an individual being considered for an appointment to such a position), the official responsible for the employee’s appointment, after review of the financial disclosure report filed by the individual pursuant to chapter 131 of title 5, certifies in writing that the need for the individual’s services outweighs the potential for a conflict of interest created by the financial interest involved; or

((4)) if the financial interest that would be affected by the particular matter involved is that resulting solely from the interest of the officer or employee, or his or her spouse or minor child, in birthrights—

((A)) in an Indian tribe, band, nation, or other organized group or community, including any Alaska Native village corporation as defined in or established pursuant to the Alaska Native Claims Settlement Act, which is recognized as eligible for the special programs and services provided by the United States to Indians because of their status as Indians,

((B)) in an Indian allotment the title to which is held in trust by the United States or which is inalienable by the allottee without the consent of the United States, or

((C)) in an Indian claims fund held in trust or administered by the United States,

((c))

((1)) For the purpose of paragraph (1) of subsection (b), in the case of class A and B directors of Federal Reserve banks, the Board of Governors of the Federal Reserve System shall be deemed to be the Government official responsible for appointment.

((2)) The potential availability of an exemption under any particular paragraph of subsection (b) does not preclude an exemption being granted pursuant to another paragraph of subsection (b).

((d))

((1)) Upon request, a copy of any determination granting an exemption under subsection (b)(1) or (b)(3) shall be made available to the public by the agency granting the exemption pursuant to the procedures set forth in . In making such determination available, the agency may withhold from disclosure any information contained in the determination that would be exempt from disclosure under . For purposes of determinations under subsection (b)(3), the information describing each financial interest shall be no more extensive than that required of the individual in his or her financial disclosure report under chapter 131 of title 5.

((2)) The Office of Government Ethics, after consultation with the Attorney General, shall issue uniform regulations for the issuance of waivers and exemptions under subsection (b) which shall—

((A)) list and describe exemptions; and

((B)) provide guidance with respect to the types of interests that are not so substantial as to be deemed likely to affect the integrity of the services the Government may expect from the employee.