All photocopies, digital images, audio recordings and video recordings made under ORS § 192.040 and 192.050 shall be properly indexed and filed so as to facilitate access and retrieval. Each roll of microfilm shall be deemed a book or volume and shall be designated and numbered and provision shall be made for preserving, examining and using the same. [Amended by 1961 c.160 § 7; 1991 c.671 § 5; 2023 c.35 § 4]