14 U.S.C. § 745
A Reserve officer ordered to active duty or active duty for training shall be ordered in the grade held; except that the Secretary may authorize a higher grade.
(Added Pub. L. 96–322, § 1, , 94 Stat. 1015.)
Provisions similar to those in this section were contained in section 776 of this title prior to the complete revision of this chapter by Pub. L. 96–322.