33 USC 3076 - Presentation of United States flag upon retirement

(a) Presentation of flag upon retirement 
Upon the release of a commissioned officer from active commissioned service for retirement, the Secretary shall present a United States flag to the officer.
(b) Multiple presentations not authorized 
An officer is not eligible for presentation of a flag under subsection (a) of this section if the officer has previously been presented a flag under this section or any other provision of law providing for the presentation of a United States flag incident to release from active service for retirement.
(c) No cost to recipient 
The presentation of a flag under this section shall be at no cost to the recipient.