California Code, Penal Code - PEN § 29055

(a) The department shall adopt regulations to administer this chapter and Chapter 1 (commencing with Section 29010).

(b) The department shall recover the full costs of administering the program by collecting fees from license applicants. Recoverable costs shall include, but not be limited to, the costs of inspections and maintaining a centralized list of licensed firearm manufacturers.

(c) The fee for licensed manufacturers who produce fewer than 500 firearms in a calendar year within this state shall not exceed two hundred fifty dollars ($250) per year or the actual costs of inspections and maintaining a centralized list of firearm manufacturers and any other duties of the department required pursuant to this chapter and Chapter 1 (commencing with Section 29010), whichever is less.