Or. Admin. R. 603-051-0026
(2) The use of United States standards for grades pursuant to this section or of Oregon standards for grades pursuant to OAR 603-051-0005 is optional: However, the federal standards included in CFR Section 51.305 to 51.323 are applicable only to United States grades.
[Publications: Publications referenced are available from the agency.]
ORS 561.190 & 632.900 - 632.980
ORS 632.900 - 632.980
AD 880(11-68), f. 6-11-68
AD 926(12-70), f. 9-2-70, ef. 10-1-70
AD 787(11-64), f. 8-12-64, ef. 9-1-64