PERP- Public Notification & Outreach Public Notification & Outreach Categories Topics Enforcement Programs Portable Equipment Registration Program (PERP) Tipo Notice Contact Portable Equipment Registration Program (PERP) Email portable@arb.ca.gov Phone see list of contacts The following documents are provided below for your information. Related Resources Test Method 435 Automated License Plate Reader Periodic Smoke Inspection Program (PSIP) Frequently Asked Questions