Since (a)(1)(A) of this Act specifically limits warrantless surveillance to foreign powers as defined by 50 U.S.C. §1801(a) (1),(2), (3) and omits the definitions contained in 50 U.S.C. §1801(a) (4),(5),(6) the act does not authorize the use of warrantless surveillance on: groups engaged in international terrorism or activities in preparation thereof; foreign-based political organizations, not substantially composed of United States persons; or entities that are directed and controlled by a foreign government or governments. Under FISA, anyone who engages in electronic surveillance except as authorized by statute is subject to both criminal penalties and civil liabilities.