Oregon Revised Statutes Occupations and Professions § 696.110

The provisions of ORS 696.010 to 696.495, 696.600 to 696.785, 696.800 to 696.870 and 696.995 shall be exclusive and no political subdivision or agency of this state shall require or issue any license or charge any fee for licensing or regulation of individuals licensed under ORS 696.022. Nothing in this section shall limit the authority of a county, city or town to levy and collect a general and nondiscriminatory license fee upon all businesses in the county, city or town or to levy a tax based upon the business conducted by any licensee or firm within the county, city or town.