(a) The Agency may approve, without regard to any loan or total indebtedness limitation, vouchers to pay costs, including insurance and real estate taxes, to preserve and protect the security, the lien, or the priority of the lien securing the debt owed to the Agency if the debt instrument provides that the Agency may voucher the account to protect its lien or security.

(b) The Agency may pay protective advances only when it determines it to be in the Government's best financial interest.

(c) Protective advances are immediately due and payable.