Wisconsin § 71.21 - Computation.

§ 71.21. Computation.

71.21(1) (1) The net income of a partnership shall be computed in the same manner and on the same basis as provided for computation of the income of persons other than corporations. 71.21(2) (2) The standard deduction shall not be allowed in computing the taxable income of a partnership. 71.21(4) (4) 71.21(4)(a) (a) The amount of the credits computed by a partnership under all of the following and passed through to partners shall be added to the partnership’s income: 71.21(4)(a)1. 1. Section 71.07 (2dm) . Effective date note NOTE: Subd. 1. is repealed eff. 1-1-43 by 2025 Wis. Act 118 , section 219 . 71.21(4)(a)2. 2. Section 71.07 (2dx) . Effective date note NOTE: Subd. 2. is repealed eff. 1-1-43 by 2025 Wis. Act 118 , section 220 . 71.21(4)(a)3. 3. Section 71.07 (2dy) . Effective date note NOTE: Subd. 3. is repealed eff. 1-1-37 by 2025 Wis. Act 118 , section 221 . 71.21(4)(a)4. 4. Section 71.07 (3g) . Effective date note NOTE: Subd. 4. is repealed eff. 1-1-41 by 2025 Wis. Act 118 , section 222 . 71.21(4)(a)5. 5. Section 71.07 (3h) . Effective date note NOTE: Subd. 5. is repealed eff. 1-1-35 by 2025 Wis. Act 118 , section 223 . 71.21(4)(a)6. 6. Section 71.07 (3n) . Effective date note NOTE: Subd. 6. is repealed eff. 1-1-35 by 2025 Wis. Act 118 , section 224 . 71.21(4)(a)7. 7. Section 71.07 (3q) . Effective date note NOTE: Subd. 7. is repealed eff. 1-1-30 by 2025 Wis. Act 118 , section 225 . 71.21(4)(a)8. 8. Section 71.07 (3s) . Effective date note NOTE: Subd. 8. is repealed eff. 1-1-32 by 2025 Wis. Act 118 , section 226 . 71.21(4)(a)9. 9. Section 71.07 (3t) . Effective date note NOTE: Subd. 9. is repealed eff. 1-1-29 by 2025 Wis. Act 118 , section 227 . 71.21(4)(a)10. 10. Section 71.07 (3w) . 71.21(4)(a)11. 11. Section 71.07 (3wm) . 71.21(4)(a)12. 12. Section 71.07 (3y) . 71.21(4)(a)13. 13. Section 71.07 (4k) . 71.21(4)(a)14. 14. Section 71.07 (4n) . Effective date note NOTE: Subd. 14. is repealed eff. 1-1-35 by 2025 Wis. Act 118 , section 228 . 71.21(4)(a)15. 15. Section 71.07 (5f) . 71.21(4)(a)16. 16. Section 71.07 (5g) . Effective date note NOTE: Subd. 16. is repealed eff. 1-1-36 by 2025 Wis. Act 118 , section 229 . 71.21(4)(a)17. 17. Section 71.07 (5h) . 71.21(4)(a)18. 18. Section 71.07 (5i) . Effective date note NOTE: Subd. 18. is repealed eff. 1-1-35 by 2025 Wis. Act 118 , section 230 . 71.21(4)(a)19. 19. Section 71.07 (5j) . Effective date note NOTE: Subd. 19. is repealed eff. 1-1-35 by 2025 Wis. Act 118 , section 231 . 71.21(4)(a)20. 20. Section 71.07 (5k) . 71.21(4)(a)21. 21. Section 71.07 (5r) . Effective date note NOTE: Subd. 21. is repealed eff. 1-1-35 by 2025 Wis. Act 118 , section 232 . 71.21(4)(a)22. 22. Section 71.07 (5rm) . Effective date note NOTE: Subd. 22. is repealed eff. 1-1-35 by 2025 Wis. Act 118 , section 233 . 71.21(4)(a)23. 23. Section 71.07 (6n) . Effective date note NOTE: Subd. 23. is repealed eff. 1-1-34 by 2025 Wis. Act 118 , section 234 . 71.21(4)(a)23e. 23e. Section 71.07 (8s) . 71.21(4)(a)23m. 23m. Section 71.07 (8t) . 71.21(4)(a)23s. 23s. Section 71.07 (8v) . 71.21(4)(a)24. 24. Section 71.07 (10) . 71.21(4)(a)26. 26. Section 71.07 (12) . 71.21 Note NOTE: Par. (a) is shown as affected by 2025 Wis. Acts 118 , 183 , 227 , and 242 and as merged by the legislative reference bureau under s. 13.92 (2) (i). 71.21(4)(b) (b) Amounts computed by a partnership under s. 71.07 (5n) in the previous taxable year and not included in federal ordinary business income shall be added to the partnership’s income. 71.21(5) (5) Section 164 (a) (3) of the internal revenue code is modified so that state taxes and taxes of the District of Columbia that are value-added taxes, single business taxes or taxes on or measured by all or a portion of net income, gross income, gross receipts or capital stock are not deductible. 71.21(6) (6) 71.21(6)(a) (a) If persons who, on the day on which an election under this paragraph is made, hold more than 50 percent of the capital and profits of a partnership consent, a partnership that is a partnership for federal income tax purposes may elect, on or before the due date or extended due date of its return under this chapter, to be taxed at the entity level at a rate of 7.9 percent of net income reportable to this state as described in par. (d) 1. for that taxable year. 71.21(6)(b) (b) It is the intent of the election under par. (a) that partners of a partnership may not include in their Wisconsin adjusted gross income their proportionate share of all items of income, gain, loss, or deduction of the partnership. It is also the intent that the partnership shall pay tax on items that would otherwise be taxed if this election was not made. 71.21(6)(c) (c) If persons who, on the day on which the election under this paragraph is made, hold more than 50 percent of the capital and profits of a partnership that has elected to be taxed at the entity level under par. (a) consent, a partnership that is a partnership for federal income tax purposes may elect, on or before the due date or extended due date of its return under this chapter, to revoke for that taxable year its election under par. (a) . 71.21(6)(d) (d) If an election is made under par. (a) , all of the following apply: 71.21(6)(d)1. 1. The net income of the partnership is computed under subs. (1) to (5) and the situs of income shall be determined as if the election under par. (a) was not made. 71.21(6)(d)2. 2. The partnership may not claim the loss under s. 71.05 (8) . 71.21(6)(d)3. 3. Except as provided in ss. 71.07 (7) (b) 3. and (12) (c) 2. , 71.28 (12) (c) 2. , and 71.47 (12) (c) 2. , the tax credits under this chapter may not be claimed by the partnership. Down Down /statutes/statutes/71 true statutes /statutes/statutes/71/iii/21 Chs. 70-79, Taxation statutes/71.21 statutes/71.21 section true Menu » Statutes Related » Statutes » Chapter 71 × Details for PDF view Link (Permanent link) Bookmark this location View toggle Go to top of document Search in this chapter Search in this section Search in this agency Search in this chapter group Search in this chapter Search in this section Cross references for section Acts affecting this section References to this 1970 Statutes Annotations Appellate Court Citations Administrative Code Index Reference lines Clear highlighting 2023-24 Wisconsin Statutes updated through 2025 Wis. Act 247 and through all Supreme Court Orders and Controlled Substances Board Orders filed before and in effect on August 5, 2026. Published and certified under s. 35.18. Changes effective after August 5, 2026, are designated by NOTES. (Published 8-5-26)