(a) A hemp manufacturer shall meet all of the following testing requirements:
(1) Industrial hemp raw extract shall be tested for cannabinoid content prior to being incorporated into a product.
(2) Testing shall be completed by an independent testing laboratory.
(3) The manufacturer of the industrial hemp product shall be able to prove total THC concentration does not exceed the limits established by this chapter and by the department in regulation. A manufacturer of raw extract shall be able to prove that the THC concentration meets department requirements set forth pursuant to subdivision (a) of Section 111921.
(b) The department may regulate and restrict the cap on extract and may cap the amount of total THC concentration at the product level based on the product form, volume, number of servings, ratio of cannabinoids to THC in the product, or other factors, as needed.