California Code, Fish and Game Code - FGC § 15104

(a) If any person engages in the business of aquaculture, as regulated under this division, without having paid the registration fee or surcharge fee within one calendar month of the commencement of business, or, for renewal of registration, on or before April 1 of the registration year, the fees are delinquent.

(b) A penalty shall be paid at the time of registration for any fees that are delinquent in the amount of fifty dollars ($50).

(c) The penalty imposed pursuant to subdivision (b) shall be applicable to the 2005 registration year, and shall be adjusted thereafter pursuant to Section 713.

(d) This section shall become operative on January 1, 2025, at which time the penalty specified in this section shall be adjusted pursuant to subdivision (c) as if this section had not been inoperative.