32 C.F.R. § 553.18 Assignment of gravesites.
Title 32 - National Defense
(a) Under present policy of the Department of the Army, only one gravesite is authorized for the burial of a service member and eligible family members. (b) Gravesites will not be reserved. (c) Gravesite reservations made in writing before the one-gravesite-per-family unit policy was established will remain in effect as long as the reservee remains eligible for burial in Arlington.
Title 32: National Defense
PART 553—ARMY NATIONAL CEMETERIES
§ 553.18 Assignment of gravesites.

