Updated on : 03-12-2023

 Notice of proposed rulemaking - PHMSA proposes to amend the Hazardous Materials Regulations to revise the classification and approval process for certain low-hazard fireworks; to revise classification criteria for small arms cartridges to include tracer ammunition; to include the PHMSA portal as the method to submit applications for all explosives approvals; and to allow for voluntary termination of an explosive approval by the approval holder.