Sec. 58.399. RETIRING BONDS. If bonds are impounded or pledged to secure a loan made to a district, as the loan is repaid a proportionate amount of the bonds may be withdrawn, cancelled, and retired. Added by Acts 1977, 65th Leg., p. 1537, ch. 627, Sec. 1, eff. Aug. 29, 1977. SUBCHAPTER J. ISSUANCE OF BONDS