U.S. Code > Title 42 The Public Health and Welfare > CHAPTER 137—MANAGEMENT OF RECHARGEABLE BATTERIES AND BATTERIES CONTAINING MERCURY > SUBCHAPTER I—GENERALLY > § 14306. State authority

§ 14306. State authority

Nothing in this chapter shall be construed to prohibit a State from enacting and enforcing a standard or requirement that is identical to a standard or requirement established or promulgated under this chapter. Except as provided in sections 14322 (e) and 14323 of this title, nothing in this chapter shall be construed to prohibit a State from enacting and enforcing a standard or requirement that is more stringent than a standard or requirement established or promulgated under this chapter.