5 USC 5372 - Administrative law judges

(a) For the purposes of this section, the term administrative law judge means an administrative law judge appointed under section 3105.
(b) 
(1) 
(A) There shall be 3 levels of basic pay for administrative law judges (designated as AL1, 2, and 3, respectively), and each such judge shall be paid at 1 of those levels, in accordance with the provisions of this section.
(B) Within level AL3, there shall be 6 rates of basic pay, designated as AL3, rates A through F, respectively. Level AL2 and level AL1 shall each have 1 rate of basic pay.
(C) The rate of basic pay for AL3, rate A, may not be less than 65 percent of the rate of basic pay for level IV of the Executive Schedule, and the rate of basic pay for AL1 may not exceed the rate for level IV of the Executive Schedule.
(2) The Office of Personnel Management shall determine, in accordance with procedures which the Office shall by regulation prescribe, the level in which each administrative-law-judge position shall be placed and the qualifications to be required for appointment to each level.
(3) 
(A) Upon appointment to a position in AL3, an administrative law judge shall be paid at rate A of AL3, and shall be advanced successively to rates B, C, and D of that level at the beginning of the next pay period following completion of 52 weeks of service in the next lower rate, and to rates E and F of that level at the beginning of the next pay period following completion of 104 weeks of service in the next lower rate.
(B) The Office of Personnel Management may provide for appointment of an administrative law judge in AL3 at an advanced rate under such circumstances as the Office may determine appropriate.
(4) Subject to paragraph (1), effective at the beginning of the first applicable pay period commencing on or after the first day of the month in which an adjustment takes effect under section 5303 in the rates of basic pay under the General Schedule, each rate of basic pay for administrative law judges shall be adjusted by an amount determined by the President to be appropriate.
(c) The Office of Personnel Management shall prescribe regulations necessary to administer this section.