Legal basis: Supervision Law of the People's Republic of China
Article 9 Local supervisory committees at all levels are produced by the people's congresses at the corresponding levels and are responsible for the supervision work within their respective administrative areas. Local supervisory committees at all levels are composed of directors, vice-directors and members. The directors are elected by the people's congresses at the corresponding levels, and the vice-directors and members are proposed by the directors of the supervisory committees to the standing committees of the people's congresses at the corresponding levels for appointment and removal. The term of office of the directors of local supervisory committees at all levels is the same as that of the people's congresses at the corresponding levels. Local supervisory committees at all levels are responsible to the people's congresses at the corresponding levels, their standing committees and supervisory committees at the next higher level, and accept their supervision.
Article 10 the National Supervisory Commission (NSC) leads the work of local supervisory committees at all levels, and the supervisory committees at higher levels lead the work of supervisory committees at lower levels.