Ind. Code § 5-1-5-13
Refunding bonds issued under the provisions of this chapter may be sold in such manner and upon such terms and conditions as the issuer of such refunding bonds shall deem to be in the best interests of the issuing body, notwithstanding the provisions of IC 21-32-3, nor the provisions of IC 5-1-11, nor the provisions of any other law to the contrary. However, if such refunding bonds are sold to any person, limited liability company, firm, or corporation that has been rendering financial advisory services to the issuing body in connection with the proceedings and necessary fiscal arrangements related to such refunding bonds, then and in that event the issuing body shall not pay to such purchaser of the refunding bonds any fee or compensation for services rendered or as reimbursement for expenses incurred in connection therewith.
IC 5-1-5-13