Business and Professions Code § 17910

Every person who regularly transacts business in this state for profit under a fictitious business name shall do all of the following:

(a) File a fictitious business name statement in accordance with this chapter not later than 40 days from the time the registrant commences to transact such business.

(b) File a new statement after any change in the facts, in accordance with subdivision (b) of Section 17920.

(c) File a new statement when refiling a fictitious business name statement.