18 U.S.C. Sec. 1028, Definition of "Lawful Authority" refers to the legal authority granted to certain individuals, or entities, to perform specific actions. This includes, but is not limited to, the power to issue documents, access records, or to make arrests. This legal authority must be granted by the laws or regulations of the United States, or by a court or other tribunal of competent jurisdiction. Types of 18 U.S.C. Sec. 1028 Definition of "Lawful Authority" include, but are not limited to, those granted to state and local law enforcement, federal law enforcement, and private security organizations.