; or (B) such physician has been retained by a private party opposing the claim, a law firm or lawyer representing such opposing party, or an interested insurer or other interested third party in the previous 24 months. (f) Record Upon receipt of any initial report or supplemental report under this section, the Secretary shall enter the report in the record and provide a copy of such report to all parties to the proceeding. (g) Expenses All expenses related to obtaining the medical evidence under this section shall be paid for by the fund. If a claimant receives a final award of benefits, the operator liable for payment of benefits, if any, shall reimburse the fund for such expenses, which shall include interest. . 104. False statements or misrepresentations, attorney disqualification, and discovery sanctions Section 431 of the Black Lung Benefits Act ( 30 U.S.C. 941 ) is amended to read as follows: 431. False statements or misrepresentations, attorney disqualification, and discovery sanctions (a) In general No person, including any claimant, physician, operator, duly authorized agent of such operator, or employee of an insurance carrier, shall— (1) knowingly and willfully make a false statement or misrepresentation for the purpose of obtaining, increasing, reducing, denying, or terminating benefits under this title; or (2) knowingly and willfully threaten, coerce, intimidate, deceive, or mislead a party, representative, witness, potential witness, judge, or anyone participating in a proceeding regarding any matter related to a proceeding under this title. (b) Fine