Ind. Admin. Code tit. 45, r. 3.1-1-39
Apportionment of business income by corporations
Effective Oct 15, 19792 IR 1743IC 6-8.1-3-3Department of State Revenue
Authority: IC 6-8.1-3-3
Affected: IC 6-3-2-2
Sec. 39. Apportionment of Business Income. All corporations subject to the allocation and apportionment provisions of IC 6-3-2- 2(b)-(n) shall apportion their business income by use of the 3-factor formula described below, unless the taxpayer obtains a ruling which permits, or the Department requires, the use of a different formula which more fairly reflects its income from Indiana sources. See IC 6-3-2- 2(1). The 3-factor formula is as follows:
(Department of State Revenue; Reg 6-3-2-2(b)(030); filed Oct 15, 1979, 11:15 am: 2 IR 1523; errata, 2 IR 1743)