ORS § 446.250
The Director of the Department of Consumer and Business Services shall cause inspections to be made, approve plans and specifications, provide technical services and issue permits for alteration of manufactured dwellings, for installation of manufactured dwellings or accessory buildings or structures on a lot and for alterations of plumbing, heating, illuminating, cooking or electrical equipment installations. The director shall appoint or contract with municipalities that request such appointment or contract for inspection and issuance of permits for manufactured dwelling alterations, for installations of manufactured dwellings or accessory buildings or structures and for alterations of plumbing, heating, illuminating, cooking or electrical equipment installations, if the municipality employs as local inspectors qualified persons who have been certified by the director for inspection and issuance of permits for manufactured dwelling alterations, for installations of manufactured dwellings or accessory buildings or structures and for alterations of plumbing, heating, illuminating, cooking or electrical equipment installations under ORS 446.003, 446.111, 446.155, 446.160, 446.176, 446.225 to 446.285 and 446.990. Certification standards under this section shall relate to the inspections to be performed and shall not be more stringent for municipal inspectors than those applying to state inspectors.
ORS 446.250