Ind. Code § 6-2.5-1-5
(a) Except as provided in subsection (b), "gross retail income" means the total amount of consideration, including cash, credit, property, and services, for which tangible personal property is sold, leased, or rented, valued in money, whether received in money or otherwise, without any deduction for:
(5) consideration received by the seller from a third party if:
(D) the price reduction or discount is identified as a third party price reduction or discount on the invoice received by the purchaser or on a coupon, certificate, or other documentation presented by the purchaser.
For purposes of subdivision (4), delivery charges are charges by the seller for preparation and delivery of the property to a location designated by the purchaser of property, including but not limited to transportation, shipping, postage charges that are not separately stated on the invoice, bill of sale, or similar document, handling, crating, and packing. Delivery charges do not include postage charges that are separately stated on the invoice, bill of sale, or similar document.
(b) "Gross retail income" does not include that part of the gross receipts attributable to:
(c) Notwithstanding subsection (b)(5):
(d) Gross retail income is only taxable under this article to the extent that the income represents:
(e) A public utility's or a power subsidiary's gross retail income includes all gross retail income received by the public utility or power subsidiary, including any minimum charge, flat charge, membership fee, or any other form of charge or billing.
As added by Acts 1980, P.L.52, SEC.1. Amended by P.L.257-2003, SEC.1; P.L.81-2004, SEC.2; P.L.182-2009(ss), SEC.174; P.L.113-2010, SEC.43; P.L.265-2013, SEC.1; P.L.188-2018, SEC.2; P.L.146-2020, SEC.3; P.L.159-2021, SEC.3; P.L.165-2021, SEC.69; P.L.199-2021, SEC.2.