To avoid processing delays, check dmv.ca.gov under Clean Air Vehicle Decal link for information on how to complete this form.
Requests: original decals (never before issued to vehicle), correct/update information, transfer to new owner, replacement ID card or replacement decals.
Replacement decals: available to vehicles that have been involved in an accident in which body work affected decal placement.
Owner name: name printed must match DMV records.
Eligibility: for vehicle eligibility, visit the California Air Resources Board (CARB) website at arb.ca.gov.
| Question | Answer |
|---|---|
| Form Name | Form REG 1000 |
| Form Length | 2 pages |
| Fillable? | Yes |
| Fillable fields | 40 |
| Avg. time to fill out | 7 min |
| Edition | Rev 3/2024 |
| Where to apply | dmv.ca.gov/Clean Air Vehicle Decal |
| Matches the agency's file | Yes, checked October 4, 2026 |
| Other names | REG 1000, REG1000, Form REG 1000, Application for Clean Air Vehicle Decals, California HOV decal application |
| Official source | Form REG 1000 (Rev 3/2024), California Department of Motor Vehicles |
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