California Code, Education Code - EDC § 76245

The service of a lawfully issued subpoena or a court order upon a community college employee solely for the purpose of causing the employee to produce a school record pertaining to any student may be complied with by that employee, in lieu of the personal appearance as a witness in the proceeding, by submitting to the court, or other agency or person designated in the subpoena, at the time and place required by the subpoena or court order, a copy of that record, accompanied by an affidavit certifying that the copy is a true copy of the original record on file in the community college or community college office.  The copy of the record shall be in the form of a photostat, microfilm, microcard, or miniature photograph or other photographic copy or reproduction, or an enlargement thereof.