Indiana Code Title 6. Taxation § 6-1.1-10-16.7

(1) the improvements on the real property were constructed, rehabilitated, or acquired for the purpose of providing housing to income eligible persons under the federal low income housing tax credit program under 26 U.S.C. 42;

(2) the real property is subject to an extended use agreement under 26 U.S.C. 42 as administered by the Indiana housing and community development authority;  and

(3) the owner of the property has entered into an agreement to make payments in lieu of taxes under IC 36-1-8-14.2 (before its expiration), IC 36-2-6-22 (before its expiration), IC 36-3-2-11 (before its expiration), IC 36-1-8-14.3, IC 36-2-6-23, or IC 36-3-2-12.

(1) alter the terms of an agreement with the holders of any outstanding notes, bonds, or other obligations of an issuing body;

(2) authorize the issuing body to alter the terms of an agreement described in subdivision (1);  or

(3) impair, or authorize the issuing body to impair, the rights and remedies of any creditor of the issuing body.