7 C.F.R. § 1951.10
Employees receiving payments on OL, EO, SW codes “24,” EM for subtitle B purposes, EE operating-type, and other production-type loan accounts will select, in accordance with the provisions of this section, the account(s) to which such payment will be applied. All payments on OL and EM loans approved on or before December 31, 1971, will be credited first to any administrative costs, then to noncapitalized interest, then to the amount of accrued deferred interest, and then to principal. All payments on all other loans including OL and EM loans approved after December 31, 1971, will be credited first to any administrative costs, then to noncapitalized interest, then to the amount of accrued deferred interest, then to interest accrued to the date of the payment and then to principal, in accordance with the terms of the note. This section only applies after the County Supervisor determines the amount of proceeds that will be released for other purposes in accordance with the annual plan (Form RD 431-2) and Form RD 1962-1.
(a) Rules for selection of accounts. The following rules will govern the selection of accounts and installments to which payments will be applied. As used in this section, “recoverable costs” are those which the loan agreement documents say the borrower is primarily responsible for paying and which the government can charge to the borrower's account.
(1) Payments from farm income or from assignments of income will be applied first to accounts with small balances, including recoverable costs, to remove such accounts from the records. Any balance will be applied on debts secured by the lien in the following order:
(i) To amounts due or falling due on loans made in connection with the current year's operations, except:
(ii) To accounts having the oldest delinquencies, or if no delinquencies, to the oldest unpaid account, except that the amount available for payment on OL and EM loan accounts will be prorated between the two accounts on the basis of:
(5) In applying payments from sources other than those in paragraphs (a)(2), (3), and (4) of this section the borrower has the right to select the loan account or accounts on which such payments will be applied. In the absence of the borrower's selection, such payments generally will be applied in the following order:
[50 FR 45764, Nov. 1, 1985, as amended at 53 FR 35717, Sept. 14, 1988; 54 FR 46844, Nov. 8, 1989; 57 FR 18680, Apr. 30, 1992]