Ind. Code § 8-1.5-2-22
(b) The bonds shall be issued in accordance with IC 6-1.1-20 . The bonds may not exceed one-third (1/3) of the total cost of the utility. This limitation does not apply to a utility to be owned and operated by a municipality exclusively for the purpose of furnishing utility service to the municipality for its own municipal purposes.
As added by Acts 1982, P.L.74, SEC.1.