Cal. Code Regs. tit. 5, § 17347
For the purposes of Education Code Section 14052, a publication is any written, taped, or graphically presented communication, except a communication for use only in the operation of the office of the county superintendent of schools or by cooperating agencies in the selection for use of audio-visual, library, and instructional materials, that meets all of the following criteria:
1. Amendment filed 9-23-77; effective thirtieth day thereafter (Register 77, No. 39).