OAR 837-047-0160: Rental Dwelling Units Subject to ORS Chapter 90

(1) Effective July 1, 2010, before a landlord transfers possession of a dwelling unit subject to these rules to a tenant, the landlord must: (a) Install a properly functioning carbon monoxide alarm; (b) Provide working batteries if a carbon monoxide alarm is battery operated or has a battery operated backup system; and (c) Provide the new tenant with alarm testing instructions. (2) If the landlord receives written notice from the tenant of a deficiency of a carbon monoxide alarm, other than dead batteries, the landlord must repair or replace the alarm. (3) A tenant must test, at least every six months, and replace batteries as needed in any carbon monoxide alarm provided by the landlord and notify the landlord in writing of any operating deficiencies.