10 U.S. Code § 2122. Eligibility for participation
(a) To be eligible for participation as a member of the program, a person must be a citizen of the United States and must—
(2) sign an agreement that unless sooner separated he will—
complete the educational phase of the program;
accept an appropriate reappointment or designation within his military service, if tendered, based upon his health profession, following satisfactory completion of the program;
participate in the intern program of his service if selected for such participation;
meet the requirements for appointment as a commissioned officer.
The Secretary of Defense may require, as part of the agreement under subsection (a)(2), that a person must agree to accept, if offered, residency training in a health profession skill which has been designated by the Secretary as a critically needed wartime skill.