71.26 (1) (a) Certain corporations. Income of corporations organized under ch. 185, except income of a cooperative sickness 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), or operating under subch. I of ch. 616 which are bona fide cooperatives operated without pecuniary profit to any shareholder or member, or operated on a cooperative plan pursuant to which they determine and distribute their proceeds in substantial compliance with s. 185.45, and the income, except the unrelated business taxable income as defined in section 512 of the internal revenue code and except income 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), of all religious, scientific, educational, benevolent or other corporations or associations of individuals not organized or conducted for pecuniary profit. This paragraph does not apply to the income of savings banks, mutual loan corporations or savings and loan associations. This paragraph applies to the income of credit unions except to the income of any credit union that is derived from public deposits for any taxable year in which the credit union is approved as a public depository under ch. 34 and acts as a depository of state or local funds under s. 186.113 (20). For purposes of this paragraph, the income of a credit union that is derived from public deposits is the product of the credit union's gross annual income for the taxable year multiplied by a fraction, the numerator of which is the average monthly balance of public deposits in the credit union during the taxable year, and the denominator of which is the average monthly balance of all deposits in the credit union during the taxable year.

71.26 (1) (be) Certain authorities. Income of the University of Wisconsin Hospitals and Clinics Authority.

71.26 (1) (d) Bank in liquidation. Income of any bank placed in the hands of the commissioner division of banking for liquidation under s. 220.08, if the tax levied, assessed or collected under this chapter on account of such bank diminishes the assets thereof so that full payment of all depositors cannot be made. Whenever the commissioner division of banking certifies to the department of revenue that the tax or any part thereof levied and assessed under this chapter against any such bank will so diminish the assets thereof that full payment of all depositors cannot be made, the department of revenue shall cancel and abate such tax or part thereof, together with any penalty thereon. This paragraph shall apply to unpaid taxes which were levied and assessed subsequent to the time the bank was taken over by the commissioner division of banking.

71.26 (1) (e) Menominee Indian tribe; distribution of assets. No distribution of assets from the United States to the members of the Menominee Indian tribe as defined in s. 49.085 49.385 or their lawful distributees, or to any corporation, or organization, created by the tribe or at its direction pursuant to section 8 of P.L. 83-399, as amended, and no issuance of stocks, bonds, certificates of indebtedness, voting trust certificates or other securities by any such corporation or organization, or voting trust, to such members of the tribe or their lawful distributees shall be subject to income or franchise taxes under this chapter; provided that so much of any cash distribution made under said P.L. 83-399 as consists of a share of any interest earned on funds deposited in the treasury of the United States pursuant to the supplemental appropriation act, 1952, (65 Stat. 736, 754) shall not by virtue of this paragraph be exempt from the individual income tax of this state in the hands of the recipients for the year in which paid. For the purpose of ascertaining the gain or loss resulting from the sale or other disposition of such assets and stocks, bonds, certificates of indebtedness and other securities under this chapter, the fair market value of such property, on termination date as defined in s. 70.057 (1), 1967 stats., shall be the basis for determining the amount of such gain or loss.

71.26 (1m) Exemption from the income tax. The interest and income from the following obligations are exempt from the tax imposed under s. 71.23 (1):

(a) Those issued under s. 66.39.

(b) Those issued under s. 66.40.

(d) Those issued under s. 66.4325.

(e) Those issued under s. 234.65 to fund an economic development loan to finance construction, renovation or development of property that would be exempt under s. 70.11 (36).

(f) Those issued under subch. II of ch. 229.

71.26 (2) (a) Corporations in general. The “net income" of a corporation means the gross income as computed under the internal revenue code as modified under sub. (3) minus the amount of recapture under s. 71.28 (1di) plus the amount of credit computed under s. 71.28 (1) and (3) to (5) plus the amount of the credit computed under s. 71.28 (1dd), (1de), (1di), (1dj), (1dL) and (1ds) 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 (1) (g) plus the amount of losses from the sale or other disposition of assets the gain from which would be wholly exempt income, as defined in sub. (3) (L), if the assets were sold or otherwise disposed of at a gain and minus deductions, as computed under the internal revenue code as modified under sub. (3), plus or minus, as appropriate, an amount equal to the difference between the federal basis and Wisconsin basis of any asset sold, exchanged, abandoned or otherwise disposed of in a taxable transaction during the taxable year, except as provided in par. (b) and s. 71.45 (2) and (5).

71.26 (2) (b) 8. For taxable years that begin after December 31, 1992, and before January 1, 1994, for a corporation, conduit or common law trust which qualifies as a regulated investment company, real estate mortgage investment conduit or real estate investment trust under the internal revenue code as amended to December 31, 1992, excluding sections 103, 104 and 110 of P.L. 102-227, and as amended by P.L. 103-66, excluding sections 13101 (a) and (c) 1., 13113, 13150, 13171, 13174 and 13203 of P.L. 103-66, and P.L. 103-465 and as indirectly affected in the provisions applicable to this subchapter by P.L. 99-514, P.L. 100-203, P.L. 100-647, P.L. 101-73, P.L. 101-140, P.L. 101-179, P.L. 101-239, P.L. 101-508, P.L. 102-227, excluding sections 103, 104 and 110 of P.L. 102-227, P.L. 102-318, P.L. 102-486 and, P.L. 103-66, excluding sections 13101 (a) and (c) 1, 13113, 13150, 13171, 13174 and 13203 of P.L. 103-66, and P.L. 103-465 “net income" means the federal regulated investment company taxable income, federal real estate mortgage investment conduit taxable income or federal real estate investment trust taxable income of the corporation, conduit or trust as determined under the internal revenue code as amended to December 31, 1992, excluding sections 103, 104 and 110 of P.L. 102-227, and as amended by P.L. 103-66, and P.L. 103-465 excluding sections 13101 (a) and (c) 1, 13113, 13150, 13171, 13174 and 13203 of P.L. 103-66, and as indirectly affected in the provisions applicable to this subchapter by P.L. 99-514, P.L. 100-203, P.L. 100-647, P.L. 101-73, P.L. 101-140, P.L. 101-179, P.L. 101-239, P.L. 101-508, P.L. 102-227, excluding sections 103, 104 and 110 of P.L. 102-227, P.L. 102-318, P.L. 102-486 and P.L. 103-66, excluding sections 13101 (a) and (c) 1., 13113, 13150, 13171, 13174 and 13203 of P.L. 103-66, and P.L. 103-465 except that property that, under s. 71.02 (1) (c) 8. to 11., 1985 stats., is required to be depreciated for taxable years 1983 to 1986 under the internal revenue code as amended to December 31, 1980, shall continue to be depreciated under the internal revenue code as amended to December 31, 1980, and except that the appropriate amount shall be added or subtracted to reflect differences between the depreciation or adjusted basis for federal income tax purposes and the depreciation or adjusted basis under this chapter of any property disposed of during the taxable year. The internal revenue code as amended to December 31, 1992, excluding sections 103, 104 and 110 of P.L. 102-227, and as amended by P.L. 103-66, excluding sections 13101 (a) and (c) 1, 13113, 13150, 13171, 13174 and 13203 of P.L. 103-66, and P.L. 103-465 and as indirectly affected in the provisions applicable to this subchapter by P.L. 99-514, P.L. 100-203, P.L. 100-647, P.L. 101-73, P.L. 101-140, P.L. 101-179, P.L. 101-239, P.L. 101-508, P.L. 102-227, excluding sections 103, 104 and 110 of P.L. 102-227, P.L. 102-318, P.L. 102-486 and, P.L. 103-66, excluding sections 13101 (a) and (c) 1, 13113, 13150, 13171, 13174 and 13203 of P.L. 103-66, and P.L. 103-465 applies for Wisconsin purposes at the same time as for federal purposes. Amendments to the internal revenue code enacted after December 31, 1992, do not apply to this subdivision with respect to taxable years that begin after December 31, 1992, and before January 1, 1994, except that changes to the internal revenue code made by P.L. 103-66 and P.L. 103-465 and changes that indirectly affect the provisions applicable to this subchapter made by P.L. 103-66 and P.L. 103-465 apply for Wisconsin purposes at the same time as for federal purposes.

71.26 (2) (b) 9. For taxable years that begin after December 31, 1993, and before January 1, 1995, for a corporation, conduit or common law trust which qualifies as a regulated investment company, real estate mortgage investment conduit or real estate investment trust under the internal revenue code as amended to December 31, 1993, excluding sections 103, 104 and 110 of P.L. 102-227 and sections 13113, 13150 (d), 13171 (d), 13174, 13203 (d) and 13215 of P.L. 103-66, and as amended by P.L. 103-296, P.L. 103-337 and P.L. 103-465 and as indirectly affected in the provisions applicable to this subchapter by P.L. 99-514, P.L. 100-203, P.L. 100-647, P.L. 101-73, P.L. 101-140, P.L. 101-179, P.L. 101-239, P.L. 101-508, P.L. 102-227, excluding sections 103, 104 and 110 of P.L. 102-227, P.L. 102-318, P.L. 102-486 and , P.L. 103-66, excluding sections 13113, 13150 (d), 13171 (d), 13174, 13203 (d) and 13215 of P.L. 103-66, P.L. 103-296, P.L. 103-337 and P.L. 103-465 “net income" means the federal regulated investment company taxable income, federal real estate mortgage investment conduit taxable income or federal real estate investment trust taxable income of the corporation, conduit or trust as determined under the internal revenue code as amended to December 31, 1993, excluding sections 103, 104 and 110 of P.L. 102-227 and sections 13113, 13150 (d), 13171 (d), 13174, 13203 (d) and 13215 of P.L. 103-66, and as amended by P.L. 103-296, P.L. 103-337 and P.L. 103-465 and as indirectly affected in the provisions applicable to this subchapter by P.L. 99-514, P.L. 100-203, P.L. 100-647, P.L. 101-73, P.L. 101-140, P.L. 101-179, P.L. 101-239, P.L. 101-508, P.L. 102-227, excluding sections 103, 104 and 110 of P.L. 102-227, P.L. 102-318, P.L. 102-486 and, P.L. 103-66, P.L. 103-296, P.L. 103-337 and P.L. 103-465 excluding sections 13113, 13150 (d), 13171 (d), 13174, 13203 (d) and 13215 of P.L. 103-66, except that property that, under s. 71.02 (1) (c) 8. to 11., 1985 stats., is required to be depreciated for taxable years 1983 to 1986 under the internal revenue code as amended to December 31, 1980, shall continue to be depreciated under the internal revenue code as amended to December 31, 1980, and except that the appropriate amount shall be added or subtracted to reflect differences between the depreciation or adjusted basis for federal income tax purposes and the depreciation or adjusted basis under this chapter of any property disposed of during the taxable year. The internal revenue code as amended to December 31, 1993, excluding sections 103, 104 and 110 of P.L. 102-227 and sections 13113, 13150 (d), 13171 (d), 13174, 13203 (d) and 13215 of P.L. 103-66, and as amended by P.L. 103-296, P.L. 103-337 and P.L. 103-465 and as indirectly affected in the provisions applicable to this subchapter by P.L. 99-514, P.L. 100-203, P.L. 100-647, P.L. 101-73, P.L. 101-140, P.L. 101-179, P.L. 101-239, P.L. 101-508, P.L. 102-227, excluding sections 103, 104 and 110 of P.L. 102-227, P.L. 102-318, P.L. 102-486 and, P.L. 103-66, excluding sections 13113, 13150 (d), 13171 (d), 13174, 13203 (d) and 13215 of P.L. 103-66, P.L. 103-296, P.L. 103-337 and P.L. 103-465 applies for Wisconsin purposes at the same time as for federal purposes. Amendments to the internal revenue code enacted after December 31, 1993, do not apply to this subdivision with respect to taxable years that begin after December 31, 1993, and before January 1, 1995, except that changes to the internal revenue code made by P.L. 103-296, P.L. 103-337 and P.L. 103-465 and changes that indirectly affect the provisions applicable to this subchapter made by P.L. 103-296, P.L. 103-337 and P.L. 103-465 apply for Wisconsin purposes at the same time as for federal purposes.

71.26 (2) (b) 10. For taxable years that begin after December 31, 1994, for a corporation, conduit or common law trust which qualifies as a regulated investment company, real estate mortgage investment conduit or real estate investment trust under the internal revenue code as amended to December 31, 1994, excluding sections 103, 104 and 110 of P.L. 102-227 and sections 13113, 13150 (d), 13171 (d), 13174 and 13203 (d) of P.L. 103-66, and as indirectly affected in the provisions applicable to this subchapter by P.L. 99-514, P.L. 100-203, P.L. 100-647, P.L. 101-73, P.L. 101-140, P.L. 101-179, P.L. 101-239, P.L. 101-508, P.L. 102-227, excluding sections 103, 104 and 110 of P.L. 102-227, P.L. 102-318, P.L. 102-486 and P.L. 103-66, excluding sections 13113, 13150 (d), 13171 (d), 13174 and 13203 (d) of P.L. 103-66, P.L. 103-296, P.L. 103-337 and P.L. 103-465 “net income" means the federal regulated investment company taxable income, federal real estate mortgage investment conduit taxable income or federal real estate investment trust taxable income of the corporation, conduit or trust as determined under the internal revenue code as amended to December 31, 1994, excluding sections 103, 104 and 110 of P.L. 102-227 and sections 13113, 13150 (d), 13171 (d), 13174, 13203 (d) and 13215 of P.L. 103-66, and as indirectly affected in the provisions applicable to this subchapter by P.L. 99-514, P.L. 100-203, P.L. 100-647, P.L. 101-73, P.L. 101-140, P.L. 101-179, P.L. 101-239, P.L. 101-508, P.L. 102-227, excluding sections 103, 104 and 110 of P.L. 102-227, P.L. 102-318, P.L. 102-486, P.L. 103-66, P.L. 103-296, P.L. 103-337 and P.L. 103-465 excluding sections 13113, 13150 (d), 13171 (d), 13174 and 13203 (d) of P.L. 103-66, except that property that, under s. 71.02 (1) (c) 8. to 11., 1985 stats., is required to be depreciated for taxable years 1983 to 1986 under the internal revenue code as amended to December 31, 1980, shall continue to be depreciated under the internal revenue code as amended to December 31, 1980, and except that the appropriate amount shall be added or subtracted to reflect differences between the depreciation or adjusted basis for federal income tax purposes and the depreciation or adjusted basis under this chapter of any property disposed of during the taxable year. The internal revenue code as amended to December 31, 1994, excluding sections 103, 104 and 110 of P.L. 102-227 and sections 13113, 13150 (d), 13171 (d), 13174, 13203 (d) and 13215 of P.L. 103-66, and as indirectly affected in the provisions applicable to this subchapter by P.L. 99-514, P.L. 100-203, P.L. 100-647, P.L. 101-73, P.L. 101-140, P.L. 101-179, P.L. 101-239, P.L. 101-508, P.L. 102-227, excluding sections 103, 104 and 110 of P.L. 102-227, P.L. 102-318, P.L. 102-486, P.L. 103-66, excluding sections 13113, 13150 (d), 13171 (d), 13174, 13203 (d) and 13215 of P.L. 103-66, P.L. 103-296, P.L. 103-337 and P.L. 103-465 applies for Wisconsin purposes at the same time as for federal purposes. Amendments to the internal revenue code enacted after December 31, 1994, do not apply to this subdivision with respect to taxable years that begin after December 31, 1994.