Or. Admin. R. 437-003-0065
Extension ladders shall be equipped with necessary guide irons, locks, and hooks and shall be assembled so that the sliding (upper) section shall be on top of the base (lower) section.
ORS 654.025(2) & 656.726(3)
ORS 654.001 - 654.295
APD 8-1989, f. & ef. 7-7-89
APD 5-1989, f. 3-31-89, ef. 5-1-89