Home Occupation Permit?

Home Occupation Permit: Any place to verify these and are they acceptable to be used as a PBO document

Here is the City of Glendale website for Home Occupation Business Permits: https://www.glendaleca.gov/government/departments/community-development/neighborhood-services/code-compliance/home-occupation-business-permit-requirements  There does not appear to be a searchable database, but there is a phone number and email that can be used to validate permits that raise any red flags.  Email HomeOcc@glendaleca.gov or call the Planning Division at (818) 548-2140.