2007 ORS 671.412¹
Public contract requirements

(1) The state or a political subdivision may contract for landscape architecture service projects only with registered landscape architects, as defined in ORS 671.310 (Definitions for ORS 671.310 to 671.459).

(2) Drawings, plans, specifications, estimates and construction observation for public works of the state or a political subdivision that require landscape architecture services must be prepared by, or under the direct supervision of, a landscape architect registered in an appropriate category. [1983 c.455 §7; 1995 c.189 §10; 2001 c.950 §17]

1 Legislative Counsel Committee, CHAPTER 671—Architect; Landscape Professions and Business, https://­www.­oregonlegislature.­gov/­bills_laws/­ors/­671.­html (2007) (last ac­cessed Feb. 12, 2009).
 
2 OregonLaws.org contains the con­tents of Volume 21 of the ORS, inserted along­side the per­tin­ent statutes. See the preface to the ORS An­no­ta­tions for more information.
 
3 OregonLaws.org assembles these lists by analyzing references between Sections. Each listed item refers back to the current Section in its own text. The result reveals relationships in the code that may not have otherwise been apparent.