Example: For taxable year 2017, "Internal Revenue Code" means the Internal Revenue Code in effect on December 31, 2016.
Example: A taxpayer becomes a Wisconsin resident on July 1, 1988. Prior to becoming a Wisconsin resident the taxpayer had owned several different homes. Each time a new home was acquired, the federal nonrecognition of gain provisions applied with respect to the gain realized from the sale of the previous home. Upon becoming a Wisconsin resident, the taxpayer owned a home in Missouri with a federal adjusted basis of $65,000 ($95,000 cost, less $30,000 of gains postponed from prior sales). The Missouri home was sold for $97,000 in August 1988. The taxpayer decides not to purchase a new residence. The Wisconsin adjusted basis of the Missouri home is $95,000.
Example: A taxpayer becomes a Wisconsin resident on January 1, 1987. Prior to that date, the taxpayer is an Illinois resident. On July 1, 1986, the taxpayer purchases and places in service residential real property located in Illinois. On the taxpayer's 1987 Wisconsin return, the taxpayer's adjusted basis and depreciation on this property will be the same as the amounts shown on the taxpayer's 1987 federal return. The taxpayer does not have to recompute the basis of the property and depreciate it using one of the methods permitted under the December 31, 1980 Code.
Example: A taxpayer is a Wisconsin resident. The taxpayer receives by gift on January 1, 1986, residential real property located in Illinois. The adjusted basis of the property to the donor, transferor, is $200,000. In acquiring the property by gift, the taxpayer, transferee, receives the same adjusted basis in the property as the transferor. The Wisconsin adjusted basis will be the federal adjusted basis on January 1, 1986.
Wis. Admin. Code Department of Revenue Tax 2.30
In the case of Wisconsin Department of Revenue vs. Romain A. Howick, 100 Wis. 2d 274 (1981), the Wisconsin supreme court held that for the purpose of determining a loss on a sale, the basis of property located outside Wisconsin acquired before the owner became a Wisconsin resident is the basis determined under the Internal Revenue Code. In this section the same principle is applied to gains realized on the disposition of such property. This principle was codified into s. 71.05(1) (m), Stats., by 1985 Wis. Act 261, effective for the earliest taxable year in respect to which additional assessments or refunds may be made. Section 71.05(1) (n) and (o), Stats., was also created by 1985 Wis. Act 261 to provide exceptions with respect to a principal residence effective for the same period of time. Section 71.05(l), (m), (n), and (o), Stats., was renumbered s. 71.05(12) (a), (b), and (c), Stats., by 1987 Wis. Act 312.
Note: Section 71.07(1), Stats., was amended by Chapter 39, Laws of 1975, effective with the 1975 taxable year. Prior to the 1975 taxable year, income or loss derived from real property or tangible personal property followed the situs of the property from which derived. Section 71.07(1), Stats., was renumbered ss. 71.04(1) (a) and 71.362(1), Stats., by 1987 Wis. Act 312.
Note: Section Tax 2.30 interprets ss. 71.05(12) (a), (b) and (c), (15), (16), (17) and (18) and 71.04(1) (a), Stats.)