71.28(4)(i)(i) Nonclaimants. Except as provided in par. (j), the credits under this subsection may not be claimed by a partnership, except a publicly traded partnership treated as a corporation under s. 71.22 (1k), limited liability company, except a limited liability company treated as a corporation under s. 71.22 (1k), or tax-option corporation or by partners, including partners of a publicly traded partnership, members of a limited liability company or shareholders of a tax-option corporation.

71.28(4)(j)(j) Pass-through entities. Partnerships, limited liability companies, and tax-option corporations may not claim the credit under this subsection, but the eligibility for, and the amount of, the credit are based on their payment of amounts under par. (ad). A partnership, limited liability company, or tax-option corporation shall compute the amount of credit that each of its partners, members, or shareholders may claim and shall provide that information to each of them. Partners, members of limited liability companies, and shareholders of tax-option corporations may claim the credit in proportion to their ownership interests.

71.28(4)(k)(k) Refunds. Notwithstanding par. (f), for taxable years beginning after December 31, 2017, if the allowable amount of the claim under par. (ad) 4., 5., or 6. exceeds the tax otherwise due under s. 71.23, all of the following apply:

71.28(4)(k)1.a.a. For taxable years beginning before January 1, 2021, the amount of the claim not used to offset the tax due, not to exceed 10 percent of the allowable amount of the claim under par. (ad) 4., 5., or 6., shall be certified by the department of revenue to the department of administration for payment by check, share draft, or other draft drawn from the appropriation account under s. 20.835 (2) (d).

71.28(4)(k)1.b.b. For taxable years beginning after December 31, 2020 and before January 1, 2024, the amount of the claim not used to offset the tax due, up to 15 percent of the allowable amount of the claim under par. (ad) 4., 5., or 6., shall be certified by the department of revenue to the department of administration for payment by check, share draft, or other draft drawn from the appropriation account under s. 20.835 (2) (d).

71.28(4)(k)1.c.c. For taxable years beginning after December 31, 2023, the amount of the claim not used to offset the tax due, not to exceed 25 percent of the allowable amount of the claim under par. (ad) 4., 5., or 6., shall be certified by the department of revenue to the department of administration for payment by check, share draft, or other draft drawn from the appropriation account under s. 20.835 (2) (d).

71.28(4)(k)2.2. The amount of the claim not used to offset the tax due and not certified for payment under subd. 1. may be carried forward and credited against Wisconsin income or franchise taxes otherwise due for the following 15 taxable years to the extent not offset by these taxes otherwise due in all intervening years between the year in which the expense was incurred and the year in which the carry-forward credit is claimed.

71.28(4m)(a)(a) Definition. In this subsection, “qualified research expenses” means qualified research expenses as defined in section 41 of the Internal Revenue Code, except that “qualified research expenses” includes only expenses incurred by the claimant for research conducted in this state for the taxable year and except that “qualified research expenses” does not include compensation used in computing the credit under sub. (1dx).

71.28(4m)(b)(b) Credit. Subject to the limitations provided under this subsection, for taxable years beginning on or after January 1, 2011, a corporation may claim as a credit against the tax imposed under s. 71.23, up to the amount of those taxes, an amount equal to the amount of qualified research expenses paid or incurred by the corporation in the taxable year that exceeds the amount calculated as follows:

71.28(4m)(b)1.1. Determine the average amount of the qualified research expenses paid or incurred by the corporation in the 3 taxable years immediately preceding the taxable year for which a credit is claimed under this subsection.

71.28(4m)(b)2.2. Multiply the amount determined under subd. 1. by 1.25.

71.28(4m)(d)1.1. Subsection (4) (e), (g), and (h), as it applies to the credit under sub. (4), applies to the credit under this subsection.

71.28(4m)(d)2.2. If a credit computed under this subsection is not entirely offset against Wisconsin income or franchise taxes otherwise due, the unused balance may be carried forward and credited against Wisconsin income or franchise taxes otherwise due for the following 5 taxable years to the extent not offset by these taxes otherwise due in all intervening years between the year in which the expense was incurred and the year in which the carry-forward credit is claimed.

71.28(4m)(d)3.3. No credit may be claimed under this subsection for taxable years beginning after December 31, 2013. Credits under this subsection for taxable years that begin before January 1, 2014, may be carried forward to taxable years that begin after December 31, 2013.

71.28(5)(ab)1.1. “Frame” includes:

71.28(5)(ab)2.2. “Internal combustion engine” includes substitute products such as fuel cell, electric, and hybrid drives.

71.28(5)(ab)3.3. “Vehicle” means any vehicle or frame, including parts, accessories, and component technologies, in which or on which an engine is mounted for use in mobile or stationary applications. “Vehicle” includes any truck, tractor, motorcycle, snowmobile, all-terrain vehicle, boat, personal watercraft, generator, construction equipment, lawn and garden maintenance equipment, automobile, van, sports utility vehicle, motor home, bus, or aircraft.

71.28(5)(ad)1.1. Except as provided in subds. 2. and 3., for taxable year 1986 and for taxable years that begin before January 1, 2014, any corporation may credit against taxes otherwise due under this chapter an amount equal to 5 percent of the amount paid or incurred by that corporation during the taxable year to construct and equip new facilities or expand existing facilities used in this state for qualified research, as defined in section 41 of the Internal Revenue Code. Eligible amounts include only amounts paid or incurred for tangible, depreciable property but do not include amounts paid or incurred for replacement property.

71.28(5)(ad)2.2. For taxable years beginning after June 30, 2007, and before January 1, 2014, any corporation may credit against taxes otherwise due under this chapter an amount equal to 10 percent of the amount paid or incurred by that corporation during the taxable year to construct and equip new facilities or expand existing facilities used in this state for qualified research, as defined in section 41 of the Internal Revenue Code, except that “qualified research expenses” includes only expenses paid or incurred by the claimant for research related to designing internal combustion engines for vehicles, including expenses related to designing vehicles that are powered by such engines and improving production processes for such engines and vehicles. Eligible amounts include only amounts paid or incurred for tangible, depreciable property but do not include amounts paid or incurred for replacement property.