Section 34621.

Cal. Food and Agricultural Code - FAC § 34621.
in effect
Sign in to generate a plain English summaryAsk Belisarius Agent
Every restaurant, school, hospital, soda fountain, or other place where food or drink is served to the public, which sells milk, cream, ice cream, ice milk, buttermilk, or any combination of them for consumption on the premises, upon emptying any container of such a product, which container is to be returned to the milk distributor or manufacturer, shall rinse and drain the container, unless it is a glass container.
Source: CA Legislative Counsel Bulk DataURL: https://downloads.leginfo.legislature.ca.gov/pubinfo_2025.zipFetched: 6/27/2026

Starting a business in California? California LLC guide: costs and requirements