The State Landscape Architect Board shall cause to be prepared and shall by rule adopt a code of professional conduct which shall be known in writing to every landscape architect and applicant for registration under ORS 671.310 to 671.459. This code shall be published in the roster of landscape architects. Such publication shall constitute due notice to all registrants. The board may revise and amend this code of conduct from time to time and shall promptly notify each registrant in writing of such revisions or amendments.
ORS 671.393