(a) The Arkansas Natural Resources Commission may remove any loan, bond, note, or other evidence of indebtedness purchased with moneys in the Construction Assistance Revolving Loan Fund Account from the account and substitute another loan, bond, note, or other evidence of indebtedness not then in default as to payment of any installment of principal, interest, or financing fee and having an equal or greater outstanding principal balance, made by the commission for a purpose authorized by this subchapter.(b) The commission may forgive principal of loans made and bonds, notes, and other evidences of indebtedness purchased with moneys in the Construction Assistance Revolving Loan Fund, provided that principal may be forgiven only for loans made and bonds, notes, and other evidences of indebtedness purchased with moneys in the fund provided by the federal government under the Clean Water Act for the purpose of providing additional subsidization to eligible recipients in the form of forgiveness of principal, negative interest loans, or grants or any combination of principal, negative interest loans, or grants.Acts 2003, No. 548, § 3; 2009, No. 458, § 7.