5 CFR 535.106 - Treatment as rate of basic pay.
A critical position pay rate is considered a rate of basic pay for all purposes, including any applicable premium pay, except -
(a) Application of any saved pay or pay retention provisions (e.g., 5 U.S.C. 5363); or
(b) Application of any adverse action provisions (e.g., 5 U.S.C. 7512).