71.03 Filing returns; certain claims.
71.04 Situs of income; allocation and apportionment.
71.09 Payment of estimated taxes.
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.