NEW UPDATES!
OARs governing county retention were updated November 2025. Your Multnomah County Retention Series has been updated accordingly. Please make sure to double check - some series may have new retention periods.
Each series contains the following information:
- Series Title (Agency Series #)
- Description. (Legal Citations)
- Retention
Class Curricula (L10-001)
Documents training classes used by the library to train members of the public on a variety of topics related to the use of or resources in the library. Shows class name, teacher's name, class objectives, and a description of the class content. (OAR 166-150-0005(6)(b))
Retention:
- Retain 5 years.
Note: Recently increased from until superseded or obsolete.
Monthly Statistical Reports (L10-002)
Reports documenting learning systems activities of the libraries in the county library system. Information includes to number of attendees by type of class, classes presented, resources used, by type, and related information. (OAR 166-150-0140(6))
Retention:
- Retain 5 years.
Scheduling Records (L10-003)
Records documenting scheduling and reservations related to public participation in and use of various activities, events, classes, and meeting rooms. Includes schedules, logs, lists, requests, and similar records. (OAR 166-150-0005(39))
Retention:
- Retain 1 year.