As the High Court of Justice (Hebrew: Beit Mishpat Gavoha Le'Zedek בית משפט גבוה לצדק; also known by its initials as Bagatz בג"ץ), the Supreme Court rules as a court of first instance, primarily in matters regarding the legality of decisions of State authorities: Government decisions, those of local authorities and other bodies and persons performing public functions under the law, and direct challenges to the constitutionality of laws enacted by the Knesset.
Israel's legislative body is called what?
the Knesset