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Corporate Taxes
General
 
The corporate tax rate is 6.6 percent.
 
Oregon does not have a sales tax.
 
Do I need to file?
 
Yes. Corporations doing business in Oregon or with income from an Oregon source are required to file.

No. Corporations with no business activity in Oregon, even if incorporated in or registered to do business in the state, are not required to file a corporation tax return.

"Doing business" means being engaged in any profit-seeking activity in Oregon. A taxpayer having one or more of the following in Oregon is clearly doing business:
 
  • A stock of goods.
  • An office.
  • A place of business (other than an office) where affairs of the corporation are regularly conducted.
  • Employees or representatives providing services to customers as the primary business activity (such as accounting or personal services), or services incidental to the sale of tangible or intangible personal property (such as installation, inspection, maintenance, warranty, or repair of a product).
  • An economic presence through which the taxpayer regularly takes advantage of Oregon's economy to produce income.
 
Which form do I file? 

Form 20. C Corporations doing business in Oregon file Form 20 and pay corporation excise tax. The minimum corporation excise tax is $10.

Form 20-I. Corporations not "doing business" in Oregon, as explained above, but with income from one or more Oregon sources, pay income tax and file Form 20-I. Income tax filers are not subject to a minimum tax.

Form 20-S. S Corporations doing business in Oregon file Form 20-S and generally pay the minimum $10 tax. Shareholders must include their share of S Corporation income or loss on their personal income tax returns.

Form 20-INS. Insurance companies doing business in Oregon file an Oregon Insurance Excise Tax Return, Form 20-INS, and are subject to the minimum $10 tax.

Limited Liability Companies (LLCs)
Publicly Traded Partnerships
REMICs

Other Useful Information

 
Page updated: September 05, 2008

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