7 CFR §766.453

1. (a)The DBSA amount is limited to the lesser of:
   1. (1)The amount of the delinquent installment or upcoming scheduled installment; or
   2. (2)The amount the borrower is unable to pay the Agency. Borrowers are required to pay any portion of an installment they are able to pay.
2. (b)The amount set aside will be the unpaid balance remaining on the installment at the time DBSA is complete. The amount will include the unpaid interest and any principal that would be credited to the account as if the installment were paid on the due date, taking into consideration any payments applied to principal and interest since the due date.
3. (c)Recoverable cost items may not be set aside.