(a) For the purposes of this section, the following words have the following meanings:

(1) CRITICAL INFRASTRUCTURE. The term includes, but is not limited to, a chemical manufacturing facility, a refinery, an electrical power generating facility and the area surrounding the facility, an electrical transmission tower and substation and distribution substation, an electric utility control center, communication equipment, a switching station, a water intake structure and water treatment facility, a natural gas transmission compressor station, a liquefied natural gas (LNG) terminal and storage facility, a natural gas and hydrocarbon storage facility, and a transportation facility, such as a port, railroad operating facility, or trucking terminal.

(2) FRAUDULENT DOCUMENTS FOR IDENTIFICATION PURPOSES. A document which is presented as being a bona fide document that provides personal identification information but which, in fact, is false, forged, altered, or counterfeit.

(b) A person commits the crime of unauthorized entry of a critical infrastructure if the person does any of the following:

(1) Intentionally enters without authority into any structure or onto any premises belonging to another that constitutes in whole or in part a critical infrastructure that is completely enclosed by any type of physical barrier or clearly marked with a sign or signs that are posted in a conspicuous manner and indicate that unauthorized entry is forbidden.

(2) Uses or attempts to use a fraudulent document for identification for the purpose of entering a critical infrastructure.

(3) Remains upon or on the premises of a critical infrastructure after having been forbidden to do so, either orally or in writing, by any owner, lessee, or custodian of the property or by any other authorized person.

(4) Intentionally enters into a restricted area of a critical infrastructure which is marked as a restricted or limited access area that is completely enclosed by any type of physical barrier when the person is not authorized to enter the restricted or limited access area.

(c) A person who commits the crime of unauthorized entry of a critical infrastructure is guilty of a Class A misdemeanor.

(d) Nothing in this section shall be construed to prevent lawful assembly and peaceful and orderly petition for the redress of grievances, including, but not limited to, any labor dispute between any employer and its employee.