Fireworks - As enacted, expands the length of the existing Independence Day and New Year sales periods and adds new Memorial Day and Labor Day sales periods for seasonal retailers of fireworks for the 2026 retail period; increases the seasonal retailer permit fee from $100 to $150 for calendar year 2026; and authorizes the state fire marshal to promulgate rules to effectuate the act. - Amends TCA Title 68, Chapter 104.