26 CFR § 31.3121(i)-2
Computation of remuneration for service performed by an individual as a member of a uniformed service
June 25, 2020
In the case of an individual performing service after December 31, 1956, as a member of a uniformed service (see section 31.3121(n)), to which the provisions of section 3121(m)(1) (see §31.3121(m)) are applicable, the term “wages” shall, subject to the provisions of section 3121(a)(1) (see §31.3121(a)-1), include as the individual's remuneration for such service only his basic pay as described in section 102(10) of the Servicemen's and Veterans' Survivor Benefits Act (38 U.S.C. 401(1), 403; 72 Stat. 1126).
[T.D. 6744, 29 FR 8315, July 2, 1964]