The Chairman shall be responsible on behalf of the Commission for the administrative operations of the Commission. The Commission shall appoint such employees as it deems necessary to assist in the performance of the Commission’s functions and to fix their compensation in accordance with the provisions of chapter 51 and subchapter III of chapter 53 of title 5, relating to classification and general pay rates. Upon the effective date of the Federal Mine Safety and Health Amendments Act of 1977, the administrative law judges assigned to the Arlington, Virginia, facility of the Office of Hearings and Appeals, United States Department of the Interior, shall be automatically transferred in grade and position to the Federal Mine Safety and Health Review Commission. Notwithstanding the provisions of
section 559 of title 5, the incumbent Chief Administrative Law Judge of the Office of Hearings and Appeals of the Department of the Interior assigned to the Arlington, Virginia facility shall have the option, on the effective date of the Federal Mine Safety and Health Amendments Act of 1977, of transferring to the Commission as an administrative law judge, in the same grade and position as the other administrative law judges. The administrative law judges (except those presiding over Indian Probate Matters) assigned to the Western facilities of the Office of Hearings and Appeals of the Department of the Interior shall remain with that Department at their present grade and position or they shall have the right to transfer on an equivalent basis to that extended in this paragraph to the Arlington, Virginia administrative law judges in accordance with procedures established by the Director of the Office of Personnel Management. The Commission shall appoint such additional administrative law judges as it deems necessary to carry out the functions of the Commission. Assignment, removal, and compensation of administrative law judges shall be in accordance with sections 3105, 3344, 5362 and 7521 of title 5.