Authorizes a state and local sales and use tax exemption for products purchased at a prison canteen or commissary

HB 3397 proposes to exempt purchases made at prison canteens or commissaries from state and local sales and use taxes in Missouri. This change would directly benefit incarcerated individuals and prison staff by reducing the cost of essential goods purchased within correctional facilities. The bill amends existing tax exemption statutes to specifically include these prison retail transactions alongside other current exemptions for items like agricultural supplies and manufacturing equipment. By removing sales tax from these specific prison purchases, the legislation aims to lower expenses for inmates without altering the broader tax structure for other consumers.