20 U.S. Code § 2005 - Truman scholars
The Foundation is authorized to award scholarships to persons who demonstrate outstanding potential for and who plan to pursue a career in public service. Award recipients shall be known as Truman scholars.
Scholarships under this chapter shall be awarded for such periods as the Foundation may prescribe but not to exceed four academic years.
Each student awarded a scholarship under this chapter must have indicated a serious intent to enter the public service upon the completion of his or her educational program. Each institution of higher education at which such a student is in attendance will make reasonable continuing efforts to encourage such a student to enter the public service upon completing his or her educational program.