16 C.F.R. § 1461.3
Each portable fuel container manufactured for sale in the United States shall conform to one of the following applicable requirements.
Containers sold pre-filled. Portable fuel containers sold pre-filled with a flammable liquid to the consumer must comply with the requirements of ASTM F3429/F3429M-24 (incorporated by reference, see § 1461.4).
[88 FR 74346, Oct. 31, 2023, as amended at 89 FR 34106, Apr. 30, 2024]