By adding to federal taxable income the amount of any loss carry-forward or carry-back, including any capital loss carry-forward or carry-back, deducted in the calculation of federal taxable income.

By adding to federal taxable income, if not already included therein, the amount of any federal tax refund or portion thereof previously applied to reduce the amount of tax payable under this chapter.

For insurers subject to taxation under s. 71.43 (1), by adding to federal taxable income the amount of any interest income, except interest under sub. (1t), that is not included in federal taxable income except the amount of any interest income which is by federal law exempt from taxation by this state and, for insurers subject to taxation under s. 71.43 (2), by adding to federal taxable income the amount of any interest income which is not included in federal taxable income.

By adding to federal taxable income an amount equal to dividend income received during the taxable year to the extent such dividend income was used as a deduction in determining federal taxable income.

By adding to federal taxable income the amount of taxes imposed by this or any other state, or the District of Columbia, that are value-added taxes, single business taxes or taxes on or measured by net income, gross income, gross receipts or capital stock, if any, that are deducted in the calculation of federal taxable income except that gross receipts taxes assessed in lieu of property taxes are deductible from gross income.

By adding to federal taxable income the amount of the environmental tax that is imposed under section 59A of the internal revenue code and that is deducted in calculating federal taxable income.

By adding or subtracting, as appropriate, the difference between the federal basis and the Wisconsin basis of any asset sold, exchanged, abandoned or otherwise disposed of in a taxable transaction during the taxable year.

By subtracting from federal taxable income dividends received that are deductible under s. 71.26 (3) (j) and are included in federal taxable income.

By subtracting from federal taxable income any net capital losses not offset against capital gains to the extent that subtraction is allowed to other corporations in computing net income under s. 71.26 (2).

By adding to federal taxable income the amount of credit computed under all of the following and not passed through by a partnership, limited liability company, or tax-option corporation that has added that amount to the partnership’s, limited liability company’s, or tax-option corporation’s income under s. 71.21 (4) or 71.34 (1k) (g): a. Section 71.47 (1dm). b. Section 71.47 (1dx). c. Section 71.47 (1dy). d. Section 71.47 (3g). e. Section 71.47 (3h). f. Section 71.47 (3n). g. Section 71.47 (3q). h. Section 71.47 (3w). i. Section 71.47 (3y). j. Section 71.47 (5f). k. Section 71.47 (5g). L. Section 71.47 (5h). m. Section 71.47 (5i). n. Section 71.47 (5j). o. Section 71.47 (5k). p. Section 71.47 (5r). q. Section 71.47 (5rm). r. Section 71.47 (6n). re. Section 71.47 (8s). rm. Section 71.47 (8t). rs. Section 71.47 (8v). s. Section 71.47 (10). t. Section 71.47 (11). u. Section 71.47 (12).

By adding to federal taxable income the amount of credit computed under all of the following: a. Section 71.47 (3). b. Section 71.47 (3t). c. Section 71.47 (4). e. Section 71.47 (5).

By subtracting from federal taxable income, as provided under s. 71.47 (3) (c) 7., the amount of the credit under s. 71.47 (3) that the taxpayer added to income under subd. 10a. at the time that the taxpayer first claimed the credit.

By adding to federal taxable income the amount deducted under section 847 of the Internal Revenue Code.

By subtracting from federal taxable income the amount that is included in that income from the sale by the original policyholder or original certificate holder who has a catastrophic or life-threatening illness or condition of a life insurance policy or certificate, or the sale of the death benefit under a life insurance policy or certificate, under a life settlement contract, as defined in s. 632.69 (1) (k). In this subdivision, “catastrophic or life-threatening illness or condition” includes AIDS, as defined in s. 49.686 (1) (a), and HIV infection, as defined in s. 49.686 (1) (d).

By subtracting from federal taxable income all income that is realized from the purchase and subsequent sale or redemption of lottery prizes that is treated as nonapportionable income under sub. (3r).

By adding to federal taxable income any amount deducted or excluded under the Internal Revenue Code for interest expenses, rental expenses, intangible expenses, and management fees that are directly or indirectly paid, accrued, or incurred to, or in connection directly or indirectly with one or more direct or indirect transactions with, one or more related entities.

By subtracting from federal taxable income the amount added to federal taxable income under subd. 16., to the extent that the conditions under s. 71.80 (23) are satisfied.

A deduction shall be allowed for the amount added, pursuant to subd. 16. or s. 71.05 (6) (a) 24., 71.26 (2) (a) 7., or 71.34 (1k) (j), to the federal income of a related entity that paid interest expenses, rental expenses, intangible expenses, or management fees to the insurer, to the extent that the related entity could not offset such amount with the deduction allowable under subd. 17. or s. 71.05 (6) (b) 45., 71.26 (2) (a) 8., or 71.34 (1k) (k).

By adding to federal taxable income any amount deducted under the Internal Revenue Code as moving expenses, as defined in s. 71.01 (8j), paid or incurred during the taxable year to move the taxpayer’s Wisconsin business operation, in whole or in part, to a location outside the state or to move the taxpayer’s business operations outside the United States.

a. For taxable years beginning after December 31, 2019, by subtracting from federal taxable income an amount equal to the gain excluded from federal gross income in the taxable year due to the application of 26 USC 1400Z-2 (b) (2) (B) (iii) for an investment held in a Wisconsin qualified opportunity fund for at least 5 years or 26 USC 1400Z-2 (b) (2) (B) (iv) for an investment held in a Wisconsin qualified opportunity fund for at least 7 years. In this subdivision, “Wisconsin qualified opportunity fund” has the meaning given in s. 71.05 (25m) (a) 2. b. In the form and manner prescribed by the department, a fund shall annually certify to each investor and the department that it qualifies as a Wisconsin qualified opportunity fund for the fund’s taxable year. A fund shall make the annual certifications under this subd. 21. b. no later than the due date, including extensions, of the fund’s corresponding income or franchise tax return under this chapter.

By subtracting from federal taxable income, to the extent included in federal taxable income, income received in the form of allocations issued by this state with moneys received from the coronavirus relief fund authorized under 42 USC 801 to be used for any of the following purposes: a. Broadband expansion. b. Privately owned movie theater grants. c. A nonprofit grant program. d. A tourism grants program. e. A cultural organization grant program. f. Music and performance venue grants. g. Lodging industry grants. h. Low-income home energy assistance. i. A rental assistance program. j. Supplemental child care grants. k. A food insecurity initiative. L. A farm support program. m. Grants to small businesses. n. Ethanol industry assistance. o. Wisconsin Eye.

By subtracting from federal taxable income, to the extent included in federal taxable income, income received in the form of a grant issued by the Wisconsin Economic Development Corporation during and related to the COVID-19 pandemic under the ethnic minority emergency grant program. Amounts otherwise deductible under this chapter that are paid directly or indirectly with the grant money are deductible.

By subtracting from federal taxable income, to the extent included in federal taxable income, income received in the form of a grant from the restaurant revitalization fund under section 5003 of the federal American Rescue Plan Act of 2021, P.L. 117-2. Amounts otherwise deductible under this chapter that are paid directly or indirectly with the grant money are deductible. Amounts excluded under this subdivision by a tax-option corporation or partnership shall be treated as tax-exempt income for purposes of sections 705 and 1366 of the Internal Revenue Code.