Cal. Code Regs. tit. 3, § 2320.1
(b) Each product label registration shall be valid for a four-year cycle based on the beginning of the designated group registration cycle. Registrations are divided into four groups, based on the first letter or number of the firm name. The registration cycle for each group shall begin on January 1 every four years based on the table below. This revised registration cycle is effective January 1, 2026. During the registration renewal cycle transition, firm's registration fees shall be prorated.
Group
Firm Name
Cycle
Every four years beginning,
1
R-Z
January 1 -- 2027 (e.g. 2031, 2035, 2039, etc.)
2
A-C and firms starting with numerals
January 1 -- 2028 (e.g. 2032, 2036, 2040, etc.)
3
D-I
January 1 -- 2029 (e.g. 2033, 2037, 2041, etc.)
4
J-Q
January 1 -- 2026 (e.g. 2030, 2034, 2038, etc.)
(d) For approved product label registrations, any revision to a registered fertilizing material label requires updated re-review and approval prior to distribution of the revised label. Per Section 14601 of the Food and Agricultural Code, changes in the guaranteed analysis, derivation statement, or anything that implies a different product, requires a new registration for specialty fertilizer, packaged agricultural mineral, organic input material, and beneficial substance. There is no fee for updated re-review, unless a new registration is determined to be required. Product label registration update requests require the following:
Note: Authority cited: Sections 407, 14502, 14601, 14603 and 14604, Food and Agricultural Code. Reference: Section 14601, Food and Agricultural Code.
1. New section filed 2-28-2012; operative 3-29-2012 (Register 2012, No. 9).
2. Amendment of section heading filed 6-22-2017; operative 10-1-2017 (Register 2017, No. 25).
3. Amendment of subsection (a), repealer and new subsection (b) and amendment of Note filed 8-30-2017; operative 1-1-2018 (Register 2017, No. 35).
4. New subsections (d)-(d)(3) filed 7-1-2024; operative 10-1-2024 (Register 2024, No. 27).
5. Amendment of subsections (a)-(b) and (d) and amendment of Note filed 11-14-2025; operative 11-14-2025 pursuant to Government Code section 11343.4(b)(3) (Register 2025, No. 46).