Contributions.

(a) An individual covered under this subpart can make contributions to the TSP from basic pay in the amount described at 5 CFR 1600.22(a)(1). Unless stated otherwise in this subpart, he or she is covered by the same rules that apply to a CSRS participant in the TSP. (b) The following amounts are not basic pay and no TSP contributions can be made from them: (1) An annuity or salary received by a justice or judge of the United States (as defined in 28 U.S.C. 451) who is retired under 28 U.S.C. 371(a) or (b), or 372(a); (2) Amounts received by a bankruptcy judge or a United States magistrate judge under a judges' annuity described at 28 U.S.C. 377; (3) An annuity or salary received by a judge of the United States Court of Federal Claims under 28 U.S.C. 178; and (4) Retired pay received by a judge of the United States Court of Veterans Appeals under 38 U.S.C. 7296. [64 FR 31057, June 9, 1999, as amended at 70 FR 32213, June 1, 2005]