On December 21, 2022 (87 FR 77995), the Pipeline and Hazardous Materials Safety Administration (PHMSA) published a Final Rule in the Federal Register (FR) revising the Hazardous Materials Regulations (HMRs) in 49 CFR Parts 107, 171, and 173 for lithium cells and batteries transported by aircraft by prohibiting the transport of lithium ion cells and batteries as cargo on passenger aircraft; requiring lithium ion cells and batteries to be shipped at not more than a 30 percent state of charge aboard cargo-only aircraft when not packed with or contained in equipment; and limiting the use of alternative provisions for smaller lithium cell or battery shipments to one package per consignment. In response to comments received for a previously published interim final rule (IFR) on Mar. 6, 2019 (84 FR 8006) concerning lithium cells and batteries transported by aircraft, this final rule provides editorial amendments and modification of certain provisions including marking requirements, requests for an extension on the compliance date, and exception for lithium cells or batteries used for medical devices with approval by the Associate Administrator. This final rule is effective on January 20, 2023.

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PHMSA 12-21-2022 final rule Li Battery Enhanced Air Safety