Section 701.031 - Evidence of doing business as contractor(1) It is prima facie evidence that a person is doing business as a contractor if: (a) The person for that person's own use performs, employs others to perform, or for compensation and with the intent to sell the structure arranges to have performed, work described in ORS 701.005(5); and(b) Within any 36-month period the person offers for sale two or more newly built structures on which work described in paragraph (a) of this subsection was performed.(2) Licensure under this chapter is prima facie evidence that the licensee conducts a separate, independent business.