36 U.S.C. § 200303

1. (a)Except as provided in this chapter, eligibility for membership in the corporation and the rights, privileges, and designation of classes of members are as provided in the constitution and bylaws of the corporation.
2. (b)Eligibility for membership in the corporation is limited to male blood relatives of an individual who—
   1. (1)served at any time during the period from April 12, 1861, through April 9, 1865, as a soldier or sailor in—
      1. (A)the United States Army, Navy, Marine Corps, or Revenue-Cutter Service; or
      2. (B)a State regiment that was called into active service and was subject to orders of United States general officers during that period; and
   2. (2)was discharged honorably from, or died in, that service.