If a rate under s. 71.27 changes during a taxable year, the taxpayer shall compute the tax for that taxable year by the methods applicable to the federal income tax under section 15 of the internal revenue code.
Wis. Stat. § 71.275
If a rate under s. 71.27 changes during a taxable year, the taxpayer shall compute the tax for that taxable year by the methods applicable to the federal income tax under section 15 of the internal revenue code.
Wis. Stat. § 71.275