Chapter 71

71.05(6)(b)34. 34. Any amount of basic, special, and incentive pay income or compensation, as those terms are used in 37 USC chapters 3 and 5, received from the federal government by a person who is a member of a reserve component of the U.S. armed forces, after being called into active federal service under the provisions of 10 USC 12302 (a), 10 USC 12304, or 10 USC 12304b, or into special state service authorized by the federal department of defense under 32 USC 502 (f), that is paid to the person for a period of time during which the person is on active duty.

71.05(6)(b)35. 35. For taxable years beginning after December 31, 2005, an amount paid by an individual who is the employee of another person if the individual’s employer pays no amount of money toward the individual’s medical care insurance, for medical care insurance for the individual, his or her spouse, and the individual’s dependents, calculated as follows:

71.05(6)(b)35.a. a. One hundred percent of the amount paid by the individual for medical care insurance, not including any amount that is paid with a premium assistance credit amount under 26 USC 36B. In this subdivision, “medical care insurance” means a medical care insurance policy that covers the individual, his or her spouse, and the individual’s dependents and provides surgical, medical, hospital, major medical, or other health service coverage, and includes payments made for medical care benefits under a self-insured plan, but “medical care insurance” does not include hospital indemnity policies or policies with ancillary benefits such as accident benefits or benefits for loss of income resulting from a total or partial inability to work because of illness, sickness, or injury.

71.05(6)(b)35.b. b. From the amount calculated under subd. 35. a., subtract the amounts deducted from gross income for medical care insurance in the calculation of federal adjusted gross income.

71.05(6)(b)35.c. c. For an individual who is a nonresident or part-year resident of this state, multiply the amount calculated under subd. 35. a. or b., by a fraction the numerator of which is the individual’s wages, salary, tips, unearned income, and net earnings from a trade or business that are taxable by this state and the denominator of which is the individual’s total wages, salary, tips, unearned income, and net earnings from a trade or business. In this subd. 35. c., for married persons filing separately “wages, salary, tips, unearned income, and net earnings from a trade or business” means the separate wages, salary, tips, unearned income, and net earnings from a trade or business of each spouse, and for married persons filing jointly “wages, salary, tips, unearned income, and net earnings from a trade or business” means the total wages, salary, tips, unearned income, and net earnings from a trade or business of both spouses.

71.05(6)(b)35.d. d. Reduce the amount calculated under subd. 35. a., b., or c. to the individual’s aggregate wages, salary, tips, unearned income, and net earnings from a trade or business that are taxable by this state.

71.05(6)(b)38. 38. For taxable years beginning after December 31, 2010, an amount paid by an individual, other than a person to whom subd. 19. applies, who has no employer and no self-employment income, for medical care insurance for the individual, his or her spouse, and the individual’s dependents, calculated as follows:

71.05(6)(b)38.a. a. One hundred percent of the amount paid by the individual for medical care insurance, not including any amount that is paid with a premium assistance credit amount under 26 USC 36B. In this subdivision, “medical care insurance” means a medical care insurance policy that covers the individual, his or her spouse, and the individual’s dependents and provides surgical, medical, hospital, major medical, or other health service coverage, and includes payments made for medical care benefits under a self-insured plan, but “medical care insurance” does not include hospital indemnity policies or policies with ancillary benefits such as accident benefits or benefits for loss of income resulting from a total or partial inability to work because of illness, sickness, or injury.

71.05(6)(b)38.b. b. From the amount calculated under subd. 38. a., subtract the amounts deducted from gross income for medical care insurance in the calculation of federal adjusted gross income.

71.05(6)(b)38.c. c. For an individual who is a nonresident or part-year resident of this state, multiply the amount calculated under subd. 38. a. or b., by a fraction the numerator of which is the individual’s wages, salary, tips, unearned income, and net earnings from a trade or business that are taxable by this state and the denominator of which is the individual’s total wages, salary, tips, unearned income, and net earnings from a trade or business. In this subd. 38. c., for married persons filing separately “wages, salary, tips, unearned income, and net earnings from a trade or business” means the separate wages, salary, tips, unearned income, and net earnings from a trade or business of each spouse, and for married persons filing jointly “wages, salary, tips, unearned income, and net earnings from a trade or business” means the total wages, salary, tips, unearned income, and net earnings from a trade or business of both spouses.

71.05(6)(b)38.d. d. Reduce the amount calculated under subd. 38. a., b., or c. to the individual’s aggregate wages, salary, tips, unearned income, and net earnings from a trade or business that are taxable by this state.

71.05(6)(b)42. 42. For taxable years beginning after December 31, 2012, an amount paid by an individual who is the employee of another person, if the individual’s employer pays a portion of the cost of the individual’s medical care insurance, for medical care insurance for the individual, his or her spouse, and the individual’s dependents, calculated as follows:

71.05(6)(b)42.a. a. One hundred percent of the amount paid by the individual for medical care insurance, not including any amount that is paid with a premium assistance credit amount under 26 USC 36B. In this subdivision, “medical care insurance” means a medical care insurance policy that covers the individual, his or her spouse, and the individual’s dependents and provides surgical, medical, hospital, major medical, or other health service coverage, and includes payments made for medical care benefits under a self-insured plan, but “medical care insurance” does not include hospital indemnity policies or policies with ancillary benefits such as accident benefits or benefits for loss of income resulting from a total or partial inability to work because of illness, sickness, or injury.

71.05(6)(b)42.b. b. From the amount calculated under subd. 42. a., subtract the amounts deducted from gross income for medical care insurance in the calculation of federal adjusted gross income.

71.05(6)(b)42.c. c. For an individual who is a nonresident or part-year resident of this state, multiply the amount calculated under subd. 42. a. or b., by a fraction the numerator of which is the individual’s wages, salary, tips, unearned income, and net earnings from a trade or business that are taxable by this state and the denominator of which is the individual’s total wages, salary, tips, unearned income, and net earnings from a trade or business. In this subd. 42. c., for married persons filing separately “wages, salary, tips, unearned income, and net earnings from a trade or business” means the separate wages, salary, tips, unearned income, and net earnings from a trade or business of each spouse, and for married persons filing jointly “wages, salary, tips, unearned income, and net earnings from a trade or business” means the total wages, salary, tips, unearned income, and net earnings from a trade or business of both spouses.

71.05(6)(b)42.d. d. Reduce the amount calculated under subd. 42. a., b., or c. to the individual’s aggregate wages, salary, tips, unearned income, and net earnings from a trade or business that are taxable by this state.

71.05(6)(b)43. 43. Subject to subd. 43. e. and f., one of the following allowable amounts, specified in subd. 43. a. to d., of employment-related expenses claimed by the claimant under section 21 of the Internal Revenue Code in the taxable year to which that claim relates:

71.05(6)(b)43.a. a. For taxable years beginning after December 31, 2010, and before January 1, 2012, up to $750 if the claimant has one qualified individual and up to $1,500 if the claimant has more than one qualified individual.

71.05(6)(b)43.b. b. For taxable years beginning after December 31, 2011, and before January 1, 2013, up to $1,500 if the claimant has one qualified individual and up to $3,000 if the claimant has more than one qualified individual.

71.05(6)(b)43.c. c. For taxable years beginning after December 31, 2012, and before January 1, 2014, up to $2,250 if the claimant has one qualified individual and up to $4,500 if the claimant has more than one qualified individual.

71.05(6)(b)43.d. d. For taxable years beginning after December 31, 2013, and before January 1, 2022, up to $3,000 if the claimant has one qualified individual and up to $6,000 if the claimant has more than one qualified individual.

71.05(6)(b)43.e. e. A claimant who claims the subtraction under this subdivision is subject to the special rules in 26 USC 21 (e) (2) and (4).

71.05(6)(b)43.f. f. An individual who is a nonresident or part-year resident of this state and who claims the subtraction under this subdivision shall multiply the amount calculated under subd. 43. a., b., c., or d. by a fraction the numerator of which is the individual’s wages, salary, tips, unearned income, and net earnings from a trade or business that are taxable by this state and the denominator of which is the individual’s total wages, salary, tips, unearned income, and net earnings from a trade or business. In this subd. 43. f., for married persons filing separately “wages, salary, tips, unearned income, and net earnings from a trade or business” means the separate wages, salary, tips, unearned income, and net earnings from a trade or business of each spouse, and for married persons filing jointly “wages, salary, tips, unearned income, and net earnings from a trade or business” means the total wages, salary, tips, unearned income, and net earnings from a trade or business of both spouses.

71.05(6)(b)44. 44. For taxable years beginning after December 31, 2006, and ending before January 1, 2015, the amount of any incentive payment received by an individual under s. 23.33 (5r), 2013 stats., in the taxable year to which the claim relates.

71.05(6)(b)45. 45. An amount added to federal adjusted gross income under par. (a) 24., to the extent that the conditions under s. 71.80 (23) are satisfied.

71.05(6)(b)46. 46. An amount added, pursuant to par. (a) 24. or s. 71.26 (2) (a) 7., 71.34 (1k) (j), or 71.45 (2) (a) 16., to the federal income of a related entity that paid interest expenses, rental expenses, intangible expenses, or management fees to the individual or fiduciary, to the extent that the related entity could not offset such amount with the deduction allowable under subd. 45. or s. 71.26 (2) (a) 8., 71.34 (1k) (k), or 71.45 (2) (a) 17.

71.05(6)(b)47m. 47m. An amount equal to the increase in the number of full-time equivalent employees employed by the taxpayer in this state during the taxable year, multiplied by $4,000 for a business with gross receipts of no greater than $5,000,000 in the taxable year or $2,000 for a business with gross receipts greater than $5,000,000 in the taxable year. For purposes of this subdivision, the increase in the number of full-time equivalent employees employed by the taxpayer in this state during the taxable year is determined by subtracting from the number of full-time equivalent employees employed by the taxpayer in this state during the taxable year, as determined by computing the average employee count from the taxpayer’s quarterly unemployment insurance reports or other information as required by the department for the taxable year, the number of full-time equivalent employees employed by the taxpayer in this state during the immediately preceding taxable year, as determined by computing the average employee count from the taxpayer’s quarterly unemployment insurance reports or other information as required by the department for the immediately preceding taxable year. No person may claim a deduction under this subdivision if the person may claim a deduction under this subchapter based on the person relocating the person’s business from another state to this state and in an amount equal to the person’s tax liability. No person may claim a deduction under this subdivision for taxable years beginning after December 31, 2014. The department shall promulgate rules to administer this subdivision.

71.05 Cross-reference Cross-reference: See also s. Tax 3.05, Wis. adm. code.

71.05(6)(b)48. 48. For taxable years that begin after December 31, 2012, any amount of basic, special, or incentive pay income, as those terms are used in 37 USC chapters 3 and 5, received from the federal government by an individual who is on active duty in the U.S. armed forces, as defined in 26 USC 7701 (a) (15), and who dies while on active duty if the individual’s death occurred while he or she was serving in a combat zone or as a result of wounds, disease, or injury incurred while serving in a combat zone. The subtraction in this subdivision applies to the basic, special, or incentive pay income that is received by the individual in the year in which he or she dies, and in the year immediately preceding that year if the individual has not filed a return for the year before the year in which he or she dies.

71.05(6)(b)48m. 48m. For taxable years that begin after December 31, 2012, any amount of income received by an individual who is on active duty in the U.S. armed forces, as defined in 26 USC 7701 (a) (15), and who dies while on active duty if the individual’s death occurred while he or she was serving in a combat zone or as a result of wounds, disease, or injury incurred while serving in a combat zone. The subtraction in this subdivision applies to the income that is received by the individual in the year in which he or she dies, and in the year immediately preceding that year if the individual has not filed a return for the year before the year in which he or she dies.

71.05(6)(b)49. 49.

71.05(6)(b)49.a. a. Subject to the definitions provided in subd. 49. b. to g. and the limitations specified in subd. 49. h. to j. for taxable years beginning after December 31, 2013, and subject to the limitation in subd. 49. k. for taxable years beginning after December 31, 2017, tuition expenses that are paid by a claimant for tuition for a pupil to attend an eligible institution.

71.05(6)(b)49.b. b. In this subdivision, “claimant” means an individual who claims a pupil as a dependent, as defined under section 152 of the Internal Revenue Code, on his or her tax return.

71.05(6)(b)49.c. c. In this subdivision, “elementary pupil” means an individual who is enrolled in grades kindergarten to 8 at an eligible institution.

71.05(6)(b)49.d. d. In this subdivision, “eligible institution” means a private school, as defined in s. 115.001 (3r), that meets all of the criteria under s. 118.165 (1).

71.05(6)(b)49.e. e. In this subdivision, “pupil” means an elementary pupil or secondary pupil.

71.05(6)(b)49.f. f. In this subdivision, “secondary pupil” means an individual who is enrolled in grades 9 to 12 at an eligible institution.

71.05(6)(b)49.g. g. In this subdivision, “tuition” means any amount paid by a claimant, in the year to which the claim relates, for a pupil’s tuition to attend an eligible institution.

71.05(6)(b)49.h. h. For each elementary pupil, in each year to which the claim relates, the maximum amount of tuition expenses which a claimant may subtract under this subdivision in a taxable year is $4,000.

71.05(6)(b)49.i. i. For each secondary pupil, in each year to which the claim relates, the maximum amount of tuition expenses which a claimant may subtract under this subdivision in a taxable year is $10,000.

71.05(6)(b)49.j. j. If an individual is an elementary pupil and a secondary pupil in the same taxable year, the claimant may claim the subtraction under this subdivision for only one grade for that pupil for that taxable year.

71.05(6)(b)49.k. k. For taxable years beginning after December 31, 2017, no modification may be claimed under this subdivision for an amount paid for tuition expenses, as described under this subdivision, if the source of the payment is an amount withdrawn from a college savings account, as described in s. 224.50.

71.05(6)(b)50. 50.

71.05(6)(b)50.a. a. Except as provided in subd. 50. b., starting with the first taxable year beginning after December 31, 2013, and for each of the next 4 taxable years, 20 percent of the amount determined by subtracting the combined federal adjusted basis of all depreciated or amortized assets as of the last day of the taxable year beginning in 2013 that are also being depreciated or amortized for Wisconsin from the combined Wisconsin adjusted basis of those assets on the same day.

71.05(6)(b)50.b. b. If any taxable year for which the modification under subd. 50. a. is required is a fractional year under s. 71.03 (3), the difference between the modification allowed for the fractional year and the modification allowed for the 12-month taxable year shall be a modification for the first taxable year beginning after December 31, 2018.

71.05(6)(b)51. 51. For taxable years beginning after December 31, 2013, any amount received by a physician or psychiatrist, in the taxable year to which the subtraction relates, from the primary care and psychiatry shortage grant program under s. 39.385.

71.05(6)(b)52. 52. Subject to the limits under section 529A (b) (2) of the Internal Revenue Code, any amount that is deposited by an account owner or any other person for the taxable year in which the contribution is made into an ABLE account described under section 529A (b) (1) of the Internal Revenue Code. The subtraction under this subdivision does not apply to rollover contributions or transfers.

71.05(6)(b)53. 53. The value of any Olympic, Paralympic, or Special Olympics medal won by an individual in an Olympic, Paralympic, or Special Olympics competition, and the amount of any payment such an individual receives from the U.S. Olympic Committee or from the Special Olympics Board of Directors, but only to the extent that the committee made the payment because the individual won an Olympic, Paralympic, or Special Olympics medal.

71.05(6)(b)54. 54. Except for a payment that is exempt under sub. (1) (a), (am), or (an), or that is exempt as a railroad retirement benefit, for taxable years beginning after December 31, 2020, up to $5,000 of payments or distributions received each year by an individual from a qualified retirement plan under the Internal Revenue Code or from an individual retirement account established under 26 USC 408, if all of the following conditions apply:

71.05(6)(b)54.a. a. The individual is at least 65 years of age before the close of the taxable year to which the exemption claim relates.

71.05(6)(b)54.b. b. If the individual is single or files as head of household, his or her federal adjusted gross income in the year to which the exemption claim relates is less than $15,000.

71.05(6)(b)54.c. c. If the individual is married and is a joint filer, the couple’s federal adjusted gross income in the year to which the exemption claim relates is less than $30,000.

71.05(6)(b)54.d. d. If the individual is married and files a separate return, the sum of both spouses’ federal adjusted gross income in the year to which the exemption claim relates is less than $30,000.

71.05(6)(b)55. 55. For taxable years beginning after December 31, 2020, the amount of a national service educational award disbursed under 42 USC 12604 during the taxable year for the benefit of an individual. No modification may be claimed under this subdivision for an amount that is subtracted under subd. 28. or deducted under 26 USC 221.

71.05(6)(b)56. 56. For taxable years beginning after December 31, 2020, any amount of basic, special, or incentive pay income, as those terms are used in 37 USC chapters 3 and 5, received from the federal government by an individual who is on active duty in the U.S. armed forces, as defined in 26 USC 7701 (a) (15), to the extent that such income is not subtracted under subd. 34.

71.05(7) (7) Addition or subtraction of transitional adjustments. Add or subtract, as appropriate, any transitional adjustments computed under sub. (13).

71.05(8) (8) Losses.

71.05(8)(a) (a) The carry back of losses to reduce income of prior years may be permitted for 2 taxable years. There shall be added any amount deducted as a federal net operating loss carry-back or carry-over and there shall be subtracted for the first taxable year for which the subtraction may be made any Wisconsin net operating loss carry-back or carry-forward allowable under par. (b) in an amount not in excess of the Wisconsin taxable income computed before the deduction of the Wisconsin net operating loss carry-back or carry-forward.

71.05(8)(b) (b)

71.05(8)(b)1. 1. Except as provided in s. 71.80 (25), a Wisconsin net operating loss may be carried back against Wisconsin taxable income of the previous 2 years and then carried forward against Wisconsin taxable incomes of the next 20 taxable years, if the taxpayer was subject to taxation under this chapter in the taxable year in which the loss was incurred, to the extent not offset against other income of the year of loss and to the extent not offset against Wisconsin modified taxable income of the 2 years preceding the loss and of any year between the loss year and the taxable year for which the loss carry-forward is claimed. In this paragraph, “Wisconsin modified taxable income” means Wisconsin taxable income with the following exceptions: a net operating loss deduction or offset for the loss year or any taxable year before or thereafter is not allowed, the deduction for long-term capital gains under subs. (6) (b) 9. and 9m., (25), and (25m) is not allowed, the amount deductible for losses from sales or exchanges of capital assets may not exceed the amount includable in income for gains from sales or exchanges of capital assets and “Wisconsin modified taxable income” may not be less than zero.

71.05(8)(b)2. 2. The taxpayer need not make the offset against Wisconsin modified taxable income of the 2 years preceding the loss, as provided under subd. 1., if the taxpayer chooses not to carry back the net operating loss to the 2 years preceding the loss.

71.05(8)(c) (c) The department shall not pay interest on any overpayment that results from the carry-back of a net operating loss.

71.05(9) (9) Partners or limited liability company members. In determining Wisconsin adjusted gross income or Wisconsin taxable income of a partner or member, any applicable modification described in this section which relates to an item of partnership or limited liability company income, gain, loss or deduction shall be made in accordance with the partner’s or member’s distributive share, for federal income tax purposes, of the item to which the modification relates. Where a partner’s or member’s distributive share of any such item is not required to be taken into account separately for federal income tax purposes or the modification relates to no ascertainable item of the partnership or limited liability company income of the current year, each partner’s or member’s share of such modification shall be proportional to his or her distributive share for federal income tax purposes of partnership or company taxable income or loss generally.

71.05(10) (10) Other adjustments. Add to or subtract from federal adjusted gross income, as appropriate:

71.05(10)(b) (b) Except as provided in sub. (21), the shareholder’s proportionate share of the amount by which any item of income, loss or deduction of a tax-option corporation subject to taxation under this chapter differs from federal taxable income, loss or deduction of the corporation for the same year attributed to its shareholders, and any amount necessary to prevent the double inclusion or omission of any item of income, loss, deduction or basis, except that credits against gross tax may not be subtracted under this paragraph.

71.05(10)(c) (c)

71.05(10)(c)1. 1. For taxable years beginning before January 1, 2023, the amount required so that the net capital loss, after netting capital gains and capital losses to arrive at total capital gain or loss, is offset against ordinary income only to the extent of $500 and, except as provided in subd. 3., losses in excess of $500 shall be carried forward to the next taxable year and offset against ordinary income up to the limit under this subdivision. Losses shall be used in the order in which they accrue.

71.05(10)(c)2. 2. For taxable years beginning after December 31, 2022, the amount required so that the net capital loss, after netting capital gains and capital losses to arrive at total capital gain or loss, is offset against ordinary income only to the extent of $3,000. Any excess net capital loss shall be carried forward to the next taxable year, subject to subd. 3. If the taxpayer is a married person who files separately, the $3,000 limitation in this subdivision shall be $1,500.

71.05(10)(c)3. 3. A net capital loss that is carried forward to a taxable year beginning after December 31, 2022, shall be offset against ordinary income, limited to $3,000, in that taxable year. Losses shall be used in the order in which they accrue. If the taxpayer is a married person who files separately, the $3,000 limitation in this subdivision shall be $1,500.

71.05(10)(d) (d) Any item of income, loss or deduction passed through from a corporation that is an S corporation for federal income tax purposes and is, under s. 71.365 (4), not a tax-option corporation.

71.05(10)(dm) (dm) Any item of income, loss, or deduction passed through from an entity that has made an election under s. 71.21 (6) (a) or 71.365 (4m) (a) to be taxed at the entity level.

71.05(10)(e) (e) Add or subtract, as appropriate, on sale, exchange, abandonment or other disposition in a transaction in which gain or loss is recognized by the owner of the property acquired from a decedent, the difference between the federal basis and the Wisconsin basis. For this purpose, property acquired from a decedent is as described in section 1014 of the internal revenue code, exclusive of property constituting income under section 102 (b) of the internal revenue code. The Wisconsin basis of property acquired from a decedent is determined under the internal revenue code, except that the value used for property is the value properly includable for Wisconsin death tax purposes rather than the value of property includable for federal estate tax purposes. In this paragraph, property deemed to be includable for Wisconsin death tax purposes includes exempt property under s. 72.15 (5), 1985 stats., but the exclusion under s. 72.12 (6) (b), 1985 stats., is not deemed to be property properly includable. If at least 50 percent of the marital property held by a decedent and the decedent’s surviving spouse is includable for purposes of computing the federal estate tax, all of the decedent’s and the decedent’s spouse’s marital property and all of the decedent’s individual property is deemed property properly includable for Wisconsin death tax purposes.

71.05(10)(f) (f) The amount necessary to reflect the inapplicability of section 66 (a) of the internal revenue code to the computation of income under this chapter.

71.05(10)(g) (g) The amount necessary to reflect the applicability of s. 71.10 (6) (b) to (d) to the computation of income under this chapter.

71.05(10)(h) (h) The amount necessary to reflect any other differences between the treatment of marital income for federal income tax purposes and the treatment of marital income under this chapter or under rules promulgated under this chapter.

71.05(10)(i) (i)

71.05(10)(i)1. 1. Subject to the conditions in this paragraph, an individual may subtract up to $10,000 from federal adjusted gross income if he or she, or his or her dependent, as defined under section 152 of the Internal Revenue Code, while living, donates one or more of his or her human organs to another human being for human organ transplantation, as defined in s. 146.345 (1), except that in this paragraph, “human organ” means all or part of a liver, pancreas, kidney, intestine, lung, or bone marrow. A subtract modification that is claimed under this paragraph may be claimed in the taxable year in which the human organ transplantation occurs.

71.05(10)(i)2. 2. An individual may claim the subtract modification under subd. 1. only once, and the subtract modification may be claimed for only the following unreimbursed expenses that are incurred by the claimant and related to the claimant’s organ donation:

71.05(10)(i)2.a. a. Travel expenses.

71.05(10)(i)2.b. b. Lodging expenses.

71.05(10)(i)2.c. c. Lost wages.

71.05(10)(i)3. 3. The subtract modification under subd. 1. may not be claimed by a part-year resident or a nonresident of this state.

71.05(11) (11) Waste treatment plant; pollution abatement equipment.

71.05(11)(a) (a) The federal adjusted basis at the end of the calendar year 1968 or corresponding fiscal year of waste treatment plant or pollution abatement equipment acquired pursuant to order or recommendation of the committee on water pollution, state board of health, city council, village board or county board pursuant to s. 59.07 (53) or (85), 1971 stats., may be treated as a subtraction modification on the return of the calendar year 1969 or corresponding fiscal year but not in later years. In case of such subtraction an add modification shall be made in 1969 and later taxable years to reverse federal depreciation or amortization of such basis or to correct gain or loss on disposition. The cost of such plant or equipment acquired in 1969 or thereafter pursuant to order, recommendation or approval of the committee on water pollution, department of resource development, department of natural resources, state board of health, city council, village board, or county board pursuant to s. 59.07 (53) or (85), 1971 stats., (less any federal depreciation or amortization taken) may be deducted as a subtraction modification or as subtraction modifications in the year or years in which paid or accrued, dependent on the method of accounting employed. In case of such election, appropriate add modifications shall be made in subsequent years to reverse federal depreciation or amortization or to correct gain or loss on disposition. This paragraph is intended to apply only to depreciable property except that where wastes are disposed of through a lagoon process, lagooning costs and the cost of land containing such lagoons may be treated as depreciable property for purposes of this paragraph. In no event may any amount in excess of cost be deducted. The taxpayer shall file with the department copies of all recommendations, orders or approvals relating to installation of such property and such other documents or data relating thereto as the department requests.

71.05(11)(b) (b) The cost of the following described property, less any federal depreciation or amortization taken, may be deducted as a subtraction modification or as subtraction modifications in the year or years in which paid or accrued, dependent on the method of accounting employed: All property purchased or constructed as a waste treatment facility utilized for the treatment of industrial wastes, as defined in s. 281.01 (5), or air contaminants, as defined in s. 285.01 (1), but not for other wastes, as defined in s. 281.01 (7), for the purpose of abating or eliminating pollution of surface waters, the air, or waters of the state and, if the property’s owner is taxed under ch. 76, if the property is approved by the department of revenue. In case of such election, appropriate add modifications shall be made in subsequent years to reverse federal depreciation or amortization or to correct gain or loss on disposition. This paragraph is intended to apply only to depreciable property except that where wastes are disposed of through a lagoon process, lagooning costs and the cost of land containing such lagoons may be treated as depreciable property for purposes of this paragraph. In no event may any amount in excess of cost be deducted. Paragraph (a) applies to all property purchased prior to July 31, 1975, or purchased and constructed in fulfillment of a written construction contract or formal written bid, which contract was entered into or which bid was made prior to July 31, 1975.

71.05(12) (12) Basis.

71.05(12)(a) (a) Except as provided in pars. (b) and (c), the Wisconsin basis of an asset owned by an individual, estate or trust and acquired before the individual became a resident of this state or before the estate or trust became subject to taxation under this chapter is the federal adjusted basis.

71.05(12)(b) (b) Whenever an individual acquires a new residence, as defined in section 1034 (a) of the internal revenue code, in this state, the adjusted basis of the new residence is not required to be reduced as required under sections 1016 (a) (7) and 1034 (e) of the internal revenue code upon the sale or exchange of an old residence located outside this state if:

71.05(12)(b)1. 1. The sale or exchange of the old residence occurred in taxable year 1975 or thereafter and the individual was not a resident of this state at the time of sale or exchange of the old residence; or