5 C.F.R. § 534.601 – Coverage.

(a) This subpart implements 5 U.S.C. 5372b and applies to administrative appeals judge positions, the duties of which are not classifiable above GS-15 under 5 U.S.C. 5108 and which primarily involve reviewing decisions of administrative law judges appointed under 5 U.S.C. 3105 and rendering final administrative decisions.
(b) This subpart does not apply to—
1. (1) Senior-level positions classified above GS-15 pursuant to 5 U.S.C. 5108;
2. (2) Scientific or professional positions established under 5 U.S.C. 3104;
3. (3) Senior Executive Service positions established under 5 U.S.C. 3132 or 3151;
4. (4) Positions for which pay is fixed by administrative action and limited to level IV of the Executive Schedule under 5 U.S.C. 5373;
5. (5) Administrative law judge positions appointed under 5 U.S.C. 3105; or
6. (6) Positions in agencies that are excluded from chapter 51 of title 5, United States Code, by section 5102(a) or 5102(c) or other provision of law.