(2)Notwithstanding anything contained in sub-section (1), no prosecution under this Code shall be instituted, except by or with the previous sanction of the authority notified by the Central Government for the purposes of offences relating to Chapter III and Chapter IV and the rules, regulations or schemes made or framed under this Code relating to those Chapters; and for the purposes of offences relating to other provisions of this Code and the rules, regulations or schemes made or framed thereunder, the authority notified by the appropriate Government.