16 CFR § 1507.4 - Bases.

---
identifier: "/us/cfr/t16/s1507.4"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "16 CFR § 1507.4 - Bases."
title_number: 16
title_name: "Commercial Practices"
section_number: "1507.4"
section_name: "Bases."
chapter_name: "CONSUMER PRODUCT SAFETY COMMISSION"
subchapter_number: "C"
subchapter_name: "FEDERAL HAZARDOUS SUBSTANCES ACT REGULATIONS"
part_number: "1507"
part_name: "FIREWORKS DEVICES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "15 U.S.C. 1261-1262, 2079(d); 21 U.S.C. 371(e)."
regulatory_source: "41 FR 22935, June 8, 1976, unless otherwise noted."
cfr_part: "1507"
---


# 1507.4 Bases.

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.