Section 10 in THE BHARATIYA NAGARIK SURAKSHA SANHITA, 2023 – BNSS

Chief Judicial Magistrate and Additional Chief Judicial Magistrate, etc.

10. (1) In every district, the High Court shall appoint a Judicial Magistrate of the first
    class to be the Chief Judicial Magistrate.
    (2) The High Court may appoint any Judicial Magistrate of the first class to be an
    Additional Chief Judicial Magistrate, and such Magistrate shall have all or any of the
    powers of a Chief Judicial Magistrate under this Sanhita or under any other law for the time
    being in force as the High Court may direct.
    (3) The High Court may designate any Judicial Magistrate of the first class in any
    sub-division as the Sub-divisional Judicial Magistrate and relieve him of the responsibilities
    specified in this section as occasion requires.
    (4) Subject to the general control of the Chief Judicial Magistrate, every Sub-divisional
    Judicial Magistrate shall also have and exercise, such powers of supervision and control
    over the work of the Judicial Magistrates (other than Additional Chief Judicial Magistrates)
    in the sub-division as the High Court may, by general or special order, specify in this behalf.

Read also : Section 106 in THE BHARATIYA NYAYA SANHITA, 2023 – BNS