Cal. Code Regs. tit. 3, § 2319
(c) The user(s) or recipient(s) of the material shall be documented by the manufacturer.
Experimental use of a fertilizing material for noncommercial value is exempt from registration, when all of the following conditions have been satisfied:
Note: Authority cited: Sections 407, 14502 and 14591, Food and Agricultural Code. Reference: Sections 14531 and 14591, Food and Agricultural Code.
1. New section filed 8-2-91; operative 8-2-91 pursuant to Government Code section 11346.2(d) (Register 92, No. 7).
2. Amendment filed 6-22-2017; operative 10-1-2017 (Register 2017, No. 25).