Upon request, every holder of a pocket license shall produce for inspection the original pocket license issued by the board. A facsimile of the license is not sufficient for that purpose.
Upon request, every applicant issued a work permit shall produce for inspection the original permit issued by the board. A facsimile of the work permit is not sufficient for that purpose.
Source:
Section 3750.6, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=BPC§ionNum=3750.6..