45 IAC 3.1-1-39
45 IAC 3.1-1-39 Apportionment of business income by corporations
Cite as Ind. Admin. Code tit. 45, r. 3.1-1-39
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: