(a) Every operator of every certified farmers' market shall remit to the California Department of Food and Agriculture two dollars ($2) for each vendor participating and selling goods under the authority and management of the certified farmers' market operator on each market day for the entire previous quarter. This includes each vendor participating and selling goods at the market operator's certified farmers' market or a separate sales activity that is concurrently operated, adjacent to, or contiguous, to the certified farmers' market, which is under the control of the market operator, the authorized representative of the market operator, or an individual or entity that is empowered by the market operator.

(b) Any operator who fails to pay the required fee within thirty (30) days after the end of the quarter in which it is due shall pay interest at the rate of one and one half (1 ½ ) percent per month on the entire unpaid balance including any late penalty fees that may apply, until payment is received in full.

(c) In addition to monthly interest charges referenced in Section 1392.8.1(b), any operator who fails to pay the required fee within sixty (60) days after the end of the quarter in which it is due, shall pay a late penalty fee of one hundred dollars ($100), and an additional one hundred dollars ($100) for every thirty (30) days thereafter, until payment is received in full or the certificate expires.