If you e-filed and are just making your tax payment, you can print a payment voucher and mail that with your check. Be sure to include your Social Security Number on the memo line of your check.
Here is a link on how to print the payment voucher.
https://ttlc.intuit.com/replies/5995443
Click the link below and select Personal Income Tax on the list to determine the correct mailing address.
http://www.oregon.gov/DOR/pages/mail.aspx
