Or. Admin. Code § 333-100-0057
Each record required by this division must be legible throughout the retention period. For the purposes of these rules and unless otherwise specified, records must be retained a minimum of five years. The record may be the original or a reproduced copy or a microfilm provided that the copy or microfilm is authenticated by authorized personnel and that the microfilm is capable of producing a clear copy throughout the required retention period. The record may also be stored in electronic media with the capability of producing legible, accurate, and complete records during the required retention period. Records such as letters, drawings, and specifications, must include all pertinent information such as stamps, initials, and signatures. The licensee must maintain adequate safeguards against tampering with and loss of records.
Or. Admin. Code § 333-100-0057
Stat. Auth.: ORS 453.635
Stats. Implemented: ORS 453.605 - 453.807