Or. Admin. R. 660-008-0400
For the purpose of assisting cities in complying with housing laws and facilitating housing production, affordability, and choice, consistent with the principles of ORS 197A.025, model ordinances adopted in this section may be applied to residential development as provided in OAR 660-008-0400 to 660-008-0430.
ORS 197.040
ORS 197.335