Oregon's Landlord Tenant Law is found primarily in ORS 90 which you can find here or here. ORS 90 is known as The "Oregon Residential Landlord Tenant Act" or (ORLTA). This act covers things such as eviction, disposal of tenant's personal property, security deposits, rental and lease agreements, habitability issues, unauthorized entry into the dwelling by the landlord, notices required prior to certain events, lockouts, self-help evictions, retaliation, discrimination, etc.