Or. Admin. R. 438-085-0021
For the purpose of these rules, the singular includes the plural and the plural includes the singular.
ORS 183.335 & 656.726(5)
ORS 654.025(2)
WCB 2-1982, f. 6-22-82, ef. 8-2-82
WCB 6-1977, f. 5-5-77, ef. 6-1-77
WCB 10-1974, f. 3-19-74, ef. 4-15-74
WCB 5-1973, f. & ef. 12-20-73