71.16 Allocation of modifications.
71.24 Filing returns; extensions; payment of tax.
71.25 Situs of income; allocation and apportionment.
71.265 Previously exempt corporations; basis and depreciation.
71.29 Payments of estimated taxes.
71.35 Imposition of additional tax on tax-option corporations.
71.44 Filing returns; extensions; payment of tax.
71.48 Payments of estimated taxes.
71.64 Employers required to withhold.
71.65 Filing returns or reports.
71.66 Employe exemption certificates.
71.72 Statement of nonwage payments.
71.74 Department audits, additional assessments and refunds.
71.76 Internal revenue service and other state adjustments.
71.77 Statutes of limitations, assessments and refunds; when permitted.
71.78 Confidentiality provisions.
71.80 General administrative provisions.