48 CFR §237.7201

1. (a)An educational service agreement is not a contract, but is an ordering agreement under which the Government may order educational services.
2. (b)Educational service agreements provide for ordering educational services when—
   1. (1)The Government pays normal tuition and fees for educational services provided to a student by the institution under its normal schedule of tuition and fees applicable to all students generally; and
   2. (2)Enrollment is at the institution under the institution's normal rules and in courses and curricula which the institution offers to all students meeting admission requirements.