32 U.S.C. § 503 - U.S. Code - Unannotated Title 32. National Guard § 503. Participation in field exercises

(b) Amounts necessary for the pay, subsistence, transportation, and other proper expenses of any part of the National Guard of a State, the Commonwealth of Puerto Rico, the District of Columbia, Guam, or the Virgin Islands participating in an exercise under subsection (a) may be set aside from funds allocated to it from appropriations for field or coast-defense instruction.

(c) Members of the National Guard participating in an exercise under subsection (a) may, after being mustered, be paid for the period beginning with the date of leaving home and ending with the date of return, as determined in advance. If otherwise correct, such a payment passes to the credit of the disbursing officer.