• Go to AES
  • Select Divisions at the top of the page > Fire Engineering and Investigations
  • At the right of the page under Related Program Links, click on Automatic Extinguishing System (AES)

There is currently no sample letter of hours verification. California Code of Regulations.

Title 19, Division 1, Chapter 5.5, Section 945(c)(2) states: “Employment experience and hours shall be provided in a letter(s), on company letterhead, from the applicant’s current and/or former employer(s) certifying, under penalty of perjury, the applicant’s experience and hours.”

Form AES 1005

Cal Fire

There is no registration form for new hires. Companies must submit a letter to the OSFM, on company letterhead, with the new hire’s name, date of hire, and status as a trainee, apprentice, or certificate holder.

Letters must be sent to:

Office of the State Fire Marshal
Attn: AES Program
1131 S Street
Sacramento, CA 95811

Business Hours

Monday8am-4pm

Tuesday8am-4pm

Wednesday8am-4pm

Thursday8am-4pm

Friday8am-4pm