Exchange of bonds.

This chapter does not prevent the exchange of bonds for legal indebtedness evidenced by bonds, warrants, judgments, or otherwise as provided by law. Bonds shall not be exchanged for notes issued pursuant to section 76.13 in anticipation of the issuance of bonds. [C24, 27, 31, 35, 39, § 1179; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §75.9 ] 83 Acts, ch 90, §16