Delaware Code Title 16. Health and Safety § 7604. Refrigerants;  state and local code

No provision of the Delaware building code or other local code may prohibit or otherwise limit the use of a refrigerant designated as acceptable for use pursuant to 42 U.S.C. § 7671k, provided any equipment containing such refrigerant is listed and installed in accordance with safety standards and use conditions imposed for that equipment or refrigerant.