Requiring persons carrying a firearm to obtain express consent from +the public or private building or residence possessor before entering the +building or residence, prescribing a penalty for violation, exceptions; +authorizing local government units to develop and enforce policies to grant or deny +access to buildings for persons carrying firearms; repealing certain provisions authorizing private establishment operators to order persons carrying+ firearms to leave the premises upon noncompliance with a posted notice and +preempting local government units or officers authority to modify criteria and +procedures for permit issuance (mk)