Oregon Revised Statutes Occupations and Professions § 690.015

(a) Perform or attempt to perform services in a field of practice without an active certificate, demonstration permit, registration or freelance license.

(b) Operate a facility without a license or temporary facility permit.

(c) Perform or attempt to perform services in a field of practice outside a licensed facility or temporary facility unless the person holds a freelance license issued under ORS 690.123.

(d) Practice hair design, barbering, esthetics, nail technology or natural hair care as an independent contractor without a registration.

(e) Display a sign or in any way advertise or purport to offer services in a field of practice without first obtaining a permit, certificate, independent contractor registration or facility license.

(f) Knowingly make a false statement on an application to obtain or renew a certificate, registration, license or permit.

(g) Allow an individual in the employ or under the supervision or control of the person to perform in a field of practice without a certificate or permit.

(h) Sell, barter or offer to sell or barter a document evidencing a certificate, registration, license or permit.

(i) Purchase or procure by barter a document evidencing a certificate with intent to use it as evidence of the person's qualification as a practitioner.

(j) Materially alter with fraudulent intent a document evidencing a certificate, registration, license or permit.

(k) Use or attempt to use a fraudulently obtained, counterfeited or materially altered document evidencing a certificate, registration, license or permit.