important alert
State closes I-5 southbound at Rose Quarter for 5 weeks starting Sept. 11

Plan for major delays. More at i5rosequarter.org. Visit Shift Your Trip to keep Portland moving.

informational alert
Portland is a Sanctuary City

6.10.180 Deficiencies and Refunds.

Label: City code section

(Added by Ordinance 192185, effective June 26, 2026.)

  1. A. The Division may assess deficiencies and grant refunds any time within the periods set forth for deficiencies or refunds under ORS Chapter 314. The Division may by agreement with the taxfiler extend the time periods to the same extent as provided by statute.
  2. B. When no tax return has been filed, there is no time limit for a notice of deficiency or the assessment of taxes and penalties due. Making a payment by the due date of the return will be treated as filing of the return.
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