(a) A licensee shall keep a record of all transactions or operations involving fireworks manufacturing, explosive materials, and devices for one year. Such records shall be made available to the authorities having jurisdiction upon request.(b) Invoices, sales slips, delivery tickets or receipts, bills of lading, or similar papers representing individual transactions will satisfy the recordkeeping requirement, provided they include the signature and license number of both the seller and buyer.(c) The loss, theft, or unlawful removal of black powder and Fireworks 1.3G shall be reported immediately to the state fire marshal.(d) Licensees and permittees shall report in writing any unauthorized incident of explosion or fire involving fireworks to the state fire marshal within 10 days after the occurrence. Incidents resulting in injury or death shall be reported immediately. Reports shall include:(1) a brief account of the cause of injury to any person and such person's name and address; and(2) a brief account of the fire or explosion.