PSIP Regulation Final Regulation Order: Amendments to HDVIP and PSIP Categorías Topics Enforcement Programs Clean Truck Check (HD I/M) & Periodic Smoke Inspection Programs Tipo Legal Document Contact HD Vehicle Enforcement Correo electrónico HDVehicleEnforcement@arb.ca.gov Teléfono (916) 229-0492 Related Resources Test Method 435 Automated License Plate Reader LCFS Enforcement