California Code, Health and Safety Code - HSC § 117750

(a) “Sharps container” means a rigid puncture-resistant container used in patient care or research activities meeting the standards of, and receiving approval from, the United States Food and Drug Administration as a medical device used for the collection of discarded medical needles or other sharps.

(b) Sharps containers, including those used to containerize trace chemotherapeutic wastes, shall not be lined with a plastic bag or inner liner.