50 U.S.C. App. § 519
Appendix entry 519 · Legal representatives
(a) Representative
A legal representative of a servicemember for purposes of this Act [sections 501 to 515 and 516 to 597b of this Appendix] is either of the following:
(1) An attorney acting on the behalf of a servicemember.
(2) An individual possessing a power of attorney.
(b) Application
Whenever the term "servicemember" is used in this Act [sections 501 to 515 and 516 to 597b of this Appendix], such term shall be treated as including a reference to a legal representative of the servicemember.