§ Ind. Code § 3-9-1-24Preservation of receipted bills and checks

(a) Except as provided in subsection (b), the treasurer of a committee shall obtain
and keep receipted bills, cancelled checks, or other proof of payment, stating the particulars
for each expenditure made by or on behalf of a committee:
(1) of more than twenty-five dollars ($25); and
(2) for a smaller amount, if the aggregate amount of the expenditures to the same
person during a year exceeds twenty-five dollars ($25).
(b) This subsection applies to a:
(1) political action committee that makes a contribution or expenditure; and
(2) person who makes an independent expenditure;
to influence an election on a public question. The treasurer of a political action committee
or a person who makes an independent expenditure shall obtain and keep receipted bills,
cancelled checks, or other proof of payment, stating the particulars for each expenditure
made by or on behalf of a committee or person.
(c) The treasurer or a person who makes an independent expenditure shall preserve all
receipted bills and accounts required to be kept by this section for:
(1) three (3) years; or
(2) one (1) year after the date of dissolution of the committee;
whichever occurs first.