71.45(3d)(a)(a) For taxable years beginning after December 31, 2005, and before January 1, 2007, a domestic insurer that is subject to apportionment under sub. (3) and this subsection shall multiply the net income figure derived by the application of sub. (2) by an apportionment fraction composed of the percentage under sub. (3) (a) representing 60 percent of the fraction and the percentage under sub. (3) (b) 1. representing 40 percent of the fraction.

71.45(3d)(b)(b) For taxable years beginning after December 31, 2006, and before January 1, 2008, a domestic insurer that is subject to apportionment under sub. (3) and this subsection shall multiply the net income figure derived by the application of sub. (2) by an apportionment fraction composed of the percentage under sub. (3) (a) representing 80 percent of the fraction and the percentage under sub. (3) (b) 1. representing 20 percent of the fraction.

71.45(3d)(c)(c) For taxable years beginning after December 31, 2007, a domestic insurer that is subject to apportionment under sub. (3) and this subsection shall multiply the net income figure derived by the application of sub. (2) by the percentage under sub. (3) (a).

71.45(3e)(a)1.1. For taxable years beginning before January 1, 2008, if both the numerator and the denominator used to determine the percentage under sub. (3) (a) related to a taxpayer’s net income are zero, the percentage under sub. (3) (a) is eliminated from the apportionment formula to determine the taxpayer’s income under sub. (3).

71.45(3e)(a)2.2. For taxable years beginning after December 31, 2007, if both the numerator and the denominator used to determine the percentage under sub. (3) (a) related to a taxpayer’s net income are zero, none of the taxpayer’s net income is apportioned to this state.

71.45(3e)(b)1.1. For taxable years beginning before January 1, 2008, if the numerator used to determine the percentage under sub. (3) (a) related to a taxpayer’s net income is a negative number and the denominator used to determine the percentage under sub. (3) (a) related to a taxpayer’s net income is a positive number, a negative number, or zero, the percentage under sub. (3) (a) is zero.

71.45(3e)(b)2.2. For taxable years beginning after December 31, 2007, if the numerator used to determine the percentage under sub. (3) (a) related to a taxpayer’s net income is a negative number and the denominator used to determine the percentage under sub. (3) (a) related to a taxpayer’s net income is a positive number, a negative number, or zero, none of the taxpayer’s net income is apportioned to this state.

71.45(3e)(c)1.1. For taxable years beginning before January 1, 2008, if the numerator used to determine the percentage under sub. (3) (a) related to a taxpayer’s net income is a positive number and the denominator used to determine the percentage under sub. (3) (a) related to a taxpayer’s net income is zero or a negative number, the percentage under sub. (3) (a) is one.

71.45(3e)(c)2.2. For taxable years beginning after December 31, 2007, if the numerator used to determine the percentage under sub. (3) (a) related to a taxpayer’s net income is a positive number and the denominator used to determine the percentage under sub. (3) (a) related to a taxpayer’s net income is zero or a negative number, all of the taxpayer’s net income is apportioned to this state.

71.45(3m)(3m) Arithmetic average. Except as provided in sub. (3d), the arithmetic average of the 2 percentages referred to in sub. (3) shall be applied to the net income figure arrived at by the successive application of sub. (2) (a) and (b) with respect to Wisconsin insurers to which sub. (2) (a) and (b) applies and which have received premiums, other than life insurance premiums, written for insurance on property or risks resident, located or to be performed outside this state, to arrive at Wisconsin income constituting the measure of the franchise tax.

71.45(3r)(3r) Allocation of certain proceeds. All income that is realized from the purchase and subsequent sale or redemption of lottery prizes if the winning tickets were originally bought in this state shall be allocated to this state.

71.45(4)(a)(a) Except as provided in par. (b) and s. 71.80 (25), insurers computing tax under this subchapter may subtract from Wisconsin net income any Wisconsin net business loss incurred in any of the 20 immediately preceding taxable years, if the insurer was subject to taxation under this chapter in the taxable year in which the loss was incurred, to the extent not offset by Wisconsin net business income of any year between the loss year and the taxable year for which an offset is claimed and computed without regard to sub. (2) (a) 8. and 9. and this subsection and limited to the amount of net income, but no loss incurred for a taxable year before taxable year 1987 by a nonprofit service plan of sickness care under ch. 148, or dental care under s. 447.13 may be treated as a net business loss of the successor service insurer under ch. 613 operating by virtue of s. 148.03 or 447.13.

71.45(4)(b)(b) An insurer that is part of a combined group under s. 71.255 may offset against its Wisconsin net business income any unused pre-2009 net business loss carry-forward under s. 71.255 (6) (bm) for the 20 taxable years that begin after December 31, 2011.

71.45(5)(5) Exceptions. The net income of a cooperative health care association organized under s. 185.981, or of a service insurance corporation organized under ch. 613, that is derived from a health maintenance organization, as defined in s. 609.01 (2), or a limited service health organization, as defined in s. 609.01 (3), is the net income that would be determined if the cooperative health care association or service insurance corporation were subject to federal income taxation and as if that income were that of an insurance company.

71.45(6)(a)(a) A general or limited partner’s share of the numerator and denominator of a partnership’s apportionment factors under this section are included in the numerator and denominator of the general or limited partner’s apportionment factors under this section.

71.45(6)(b)(b) If a limited liability company is treated as a partnership, for federal tax purposes, a member’s share of the numerator and denominator of a limited liability company’s apportionment factors under this section are included in the numerator and denominator of the member’s apportionment factors under this section.

71.45 AnnotationRevisions to sub. (1) by 1995 Wis. Act 27 were constitutional. Group Health Cooperative of Eau Claire v. DOR, 229 Wis. 2d 846, 601 N.W.2d 1 (Ct. App. 1999), 98-1264.

71.46(3)(3) The tax imposed under this subchapter on each domestic insurer on or measured by its entire net income attributable to lines of insurance in this state may not exceed 2 percent of the gross premiums, as defined in s. 76.62, received during the taxable year by the insurer on all policies on those lines of insurance if the subject of that insurance was resident, located or to be performed in this state plus 7.9 percent of the income that is realized from the sale of or purchase and subsequent sale or redemption of lottery prizes if the winning tickets were originally bought in this state.