16 C.F.R. § 1507.4 Bases.
Title 16 - Commercial Practices
The base or bottom of fireworks devices that are operated in a standing upright position shall have the minimum horizontal dimensions or the diameter of the base equal to at least one-third of the height of the device including any base or cap affixed thereto.
Title 16: Commercial Practices
PART 1507—FIREWORKS DEVICES
§ 1507.4 Bases.
