Cal. HSC § 11006.5
Section 11006.5
(a) Before January 1, 2026, āconcentrated cannabisā means the separated resin, whether crude or purified, obtained from cannabis.
(b) Beginning on January 1, 2026, and until January 1, 2028, āconcentrated cannabisā or ācannabis concentrateā means cannabis that has undergone a process to concentrate one or more active cannabinoids, thereby increasing potency, and includes extracts, oils, hash, dab, shatter, rosin, wax, and the separated resin, whether crude or purified.
(c) Beginning on January 1, 2028, the following apply:
(1) āConcentrated cannabisā or ācannabis concentrateā means cannabis or industrial hemp that has undergone a process to concentrate one or more active cannabinoids, thereby increasing potency, and includes extracts, oils, hash, dab, shatter, rosin, wax, and the separated resin, whether crude or purified.
(2) āCannabis concentrateā does not include CBD isolate, as defined in Section 26001 of the Business and Professions Code.