Businesses

​Read about corporation e-filing requirements, or choose an option:

• E-file with an approved third-party vendor.
• Visit our forms page and search for "corp." Fill out the form and mail​ it to us.

• E-file with an approved third-party vendor.
• Visit our forms page and search for "estimated." Fill out the form and mail​ it to us.​

• E-file with an approved third-party vendor.
• Visit our forms page and search for "estate." Fill out the form and mail it to:
  
  Oregon Department of Revenue
  PO Box 14110
  Salem OR 97309-0910​

• E-file with an approved third-party vendor.
• Visit our forms page and search for "s corp." Fill out the form and mail​ it to us.​

Read about statewide transit tax e-filing requirements, or choose an option:

• File electronically using Revenue Online.
• Use this spreadsheet to import information.
• Visit our forms page and search for "stt." Fill out the form and mail to:
  
  Oregon Department of Revenue
  PO Box 14800
  Salem OR 97309-0920

• File using Revenue Online.
  
• Or, if you have not received your return forms by December 31, contact us at timber.tax.help@oregon.gov​ to request a copy of your returns.
  

• E-file through a third party. View a list of approved vendors.
  
• File electronically using Revenue Online.
• Visit our forms page and search for "transit self-employment." Fill out the form and mail it using one of these addresses:
  

Lane County Mass Transit District:
LTDSE
Oregon Department of Revenue
PO Box 14003
Salem OR 97309-2502

TriMet Self-Employment Tax:
TMSE
Oregon Department of Revenue
PO Box 14003
Salem OR 97309-2502

Electronic filing through iWire. ​​