Oregon Administrative Rules (OARs)

​​​​Access Oregon Adminis​tr​ative Rules Da​tabase (OARD)​

Welcome to the database for the Oregon Administrative Rules. You have all the rules and filings for Oregon in one easy to search location. 

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​​​​​​​​​​​​​​​About the OARs

​​Administrative Rules are created by most agencies and some boards and commissions to implement and interpret their statutory authority (ORS 183.310(9)). Agencies may adopt, amend, repeal or renumber rules, permanently or temporarily​(for up to 180 days).

Every OAR uses the same numbering sequence of a three-digit chapter number followed by a three-digit division number and a four-digit rule number. For example, Oregon Administrative Rules, chapter 166, division 500, rule 0020 is cited as OAR 166-500-0020.

Changes to existing Rules are listed chronologically in abbreviated form, with the most recent change last. For example, "OSA 4-1993, f. & cert. ef. 11-10-93," means this was the 4th administrative rule filing by the Oregon State Archives in 1993; and "f. & cert. ef. 11-10-93" means the rule was filed and certified effective on Nov. 10, 1993.

The official copy of an Oregon Administrative Rule is the Administrative Order filed at the Archives Division. Any discrepancies with the published version are satisfied in favor of the Administrative Order. ​

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Related Material

Oregon Revised Statutes (ORS) ​on the Oregon State Legislature website.