Oregon Corporations Form Availability (print only)
Tax Information Authorization and Power of Attorney for Representation
01/09/2026
Schedule ASC-Corp, Adjustments
01/09/2026
Schedule AP, Apportionment of Income
01/09/2026
Form 20, Corporation Excise Tax Return
01/09/2026
Schedule AF, Schedule of Affiliates for Form 20
01/09/2026
Depreciation Schedule
01/09/2026
Schedule AF, Schedule of Affiliates for Form 20-I
01/09/2026
Form 37, Underpayment of Corporation Estimated Tax
01/09/2026
Form BZT-V, Business License/Mult County Bus Inc Tax
01/09/2026
Form 20-V, Corporation Estimated Tax Payment Voucher
01/09/2026
Form 20-V, Corporation ExtensionTax Payment Voucher
01/09/2026
Form 20-V, Corporation Tax Due Payment Voucher
01/09/2026
Form OR HVUT Schedule, Heavy Vehicle Use Tax
01/09/2026
Form 20-I, Corporation Income Tax Return
01/09/2026
C-2024, Combined Report Form for Corporations Multnomah County Business Income Tax Portland City Business License
01/09/2026