Synopsis As Introduced Amends the Firearm Owners Identification Card Act. Provides that a unit of local government, including a home rule unit, may not impose any tax, fee, or other assessment other than the normal sales tax rate for goods, on any firearms, firearm attachments, or firearm ammunition. Provides that the provisions of any ordinance or resolution on or after the effective date of the amendatory Act by any municipal or county government that imposes any tax, fee, or other assessment other than the normal sales tax rate for goods are invalid and all those existing ordinances and resolutions are void. Defines "sales tax". Effective immediately.