

Owners or Operators of portable engines and other types of equipment can register their units under the CARB Statewide Portable Equipment Registration Program (PERP) in order to operate their equipment throughout California without having to obtain individual permits from local air districts.
More about this program
Keep up to date with the latest information regarding the Portable Equipment Registration.
Regulation, ATCM & fleet reporting tool
Applications, record keeping & reporting forms
Explanations & examples of uses