US Market Compliance: CPSC, AFSL and EX Numbers Explained

CPSC (Consumer Product Safety Commission) is the mandatory regulator for consumer fireworks sold in the US. Its rules (16 CFR Parts 1500 and 1507) cap powder charges by device type, require fuses to burn between 3 and 9 seconds, ban specific devices such as M-80s and cherry bombs, and mandate English warning labels. Non-compliant cargo can be refused entry or recalled at the importer’s cost.

AFSL (American Fireworks Standards Laboratory) is a voluntary industry program, but in practice most US importers require it. AFSL tests product samples against its standards, audits factories, and issues the AFSL carton seal. When vetting a Jiangxi supplier, ask for their AFSL member ID and verify it directly with AFSL.

The EX Number is a US DOT/PHMSA explosives approval — without one, fireworks cannot legally be offered for transport to or through the United States. Approvals are issued per product family through an authorized fireworks approval laboratory (AFSL operates one). The EX number must appear on shipping documents and match the items actually loaded.

A common failure pattern: a factory holds EX letters for 50 product families but ships item #51 under “similar product” assumptions. USCG and PHMSA treat this as a violation. Always cross-check the packing list against the EX letter schedule before the container closes.

Buyer checklist: (1) AFSL membership ID verified; (2) EX letters for every SKU on your order; (3) CPSC-compliant label artwork approved before mass printing; (4) supplier’s recall history checked on the CPSC public database.