38 C.F.R. § 36.4806
(b) Specific terms of the note and security instrument shall include the following:
(2) Repayment in full is required immediately upon -
(3) A veteran may make payments for the subordinate loan, in whole or in part, without charge or penalty. If the veteran makes a partial prepayment, there will be no changes in the due date unless VA agrees in writing to those changes.
(The Office of Management and Budget has approved the information collection requirements in this section under control number 2900-XXXX)
(Authority: 38 U.S.C. 3703(c), 3720, 3732)