Cal. Health & Safety Code § 25217.2.1

(a) A location that accepts recyclable latex paint pursuant to Section 25217.2 may also accept oil-based paint if all of the additional following conditions are met:
1. (1) The collection location is established under a stewardship plan approved by the Department of Resources Recycling and Recovery pursuant to the paint product recovery program established pursuant to Chapter 5 (commencing with Section 48700) of Part 7 of Division 30 of the Public Resources Code.
2. (2) The collection location receives oil-based paint only from either of the following:
  1. (A) A person who generates oil-based paint incidental to owning or maintaining a place of residence.
  2. (B) A very small quantity generator.
3. (3) The oil-based paint is still in liquid form and is in its original packaging or is in a closed container that is clearly labeled.
4. (4) The location manages the oil-based paint in accordance with the requirements in Section 25217.2.
5. (5) The collection location operates pursuant to a contract with a manufacturer or stewardship organization that has submitted a stewardship plan that has been approved by the Department of Resources Recycling and Recovery and the collected paint is managed in accordance with that stewardship plan.
6. (6) The oil-based paint is stored for no longer than 180 days.
(b) Oil-based paint initially collected at a collection location shall be deemed to be generated at the consolidation location for purposes of this chapter, if all of the following apply:
1. (1) The collection location is established under a stewardship plan in accordance with the requirements of paragraph (1) of subdivision (a).
2. (2) The oil-based paint is subsequently transported to a consolidation location that is operating pursuant to a contract with a manufacturer or stewardship organization under a stewardship plan approved by the Department of Resources Recycling and Recovery pursuant to the paint product recovery program established pursuant to Chapter 5 (commencing with Section 48700) of Part 7 of Division 30 of the Public Resources Code.
3. (3) The oil-based paint is non-RCRA hazardous waste, or is otherwise exempt from, or is not otherwise regulated pursuant to, the federal act.
(c) A permanent household hazardous waste collection facility that accepts recyclable latex paint pursuant to and in compliance with Section 25217.2 and that accepts oil-based paint is not subject to the weight and volume limits on the amount of oil-based paint that may be accepted, pursuant to subdivision (b) of Section 25218.3.