42 U.S.C. § 254p: Special loans for former Corps members to enter private practice

in the case of a Corps member who is required to complete a period of obligated service under this subpart, begins not later than 1 year after the date on which such individual completes such period of obligated service; and in the case of an individual who is not required to complete a period of obligated service under this subpart, begins at such time as the Secretary considers appropriate; to conduct such practice in accordance with section 254n(b)(1) of this title ; and to such additional conditions as the Secretary may require to carry out this section. The amount of a loan under subsection (a) to an individual shall not exceed $25,000. The interest rate for any such loan shall not exceed an annual rate of 5 percent. The Secretary may not make a loan under this section unless an application therefor has been submitted to, and approved by, the Secretary. The Secretary shall, by regulation, set interest rates and repayment terms for loans under this section. in the case of an individual who has received a grant under this section (as in effect prior to October 1, 1984 ), an amount determined under section 254 o (b) of this title, except that in applying the formula contained in such section “ϕ” shall be the sum of the amount of the grant made under subsection (a) to such individual and the interest on such amount which would be payable if at the time it was paid it was a loan bearing interest at the maximum legal prevailing rate, “t” shall be the number of months that such individual agreed to practice his profession under such agreement, and “s” shall be the number of months that such individual practices his profession in accordance with such agreement; and in the case of an individual who has received a loan under this section, the full amount of the principal and interest owed by such individual under this section.