Where can I get more information on the requirements of 10 U.S.C. § 503?

Where can I get more information on the requirements of 10 U.S.C. § 503?

The Office of the Secretary of Defense may be contacted for copies of the statute, or questions relating to it.  Please contact the Accession Policy Directorate as follows:

Director, Accession Policy
4000 Defense Pentagon
Washington, DC 20301-4000
Telephone: (703) 695-5529