No pawnbroker shall:
(1) Transact any business between the hours of 9 p.m. and 7 a.m. except that on Saturday the pawnbroker may transact business up to the hour of 10 p.m.
(2) Accept a pledge from any person who is under the age of 18 years.
(3) Convert or dispose of any unredeemed pledge before the time to redeem it has expired or before the pledge has been forfeited to the pawnbroker as provided in ORS 726.400.