4Levy and collection of cess.

(1) There shall be levied and collected a cess, to be called Health Security se National Security Cess, from every taxable person, on the machines installed or other processes undertaken by him for the manufacture or production of the specified goods referred to in Schedule I, at the amount specified in Schedule II and computed in the manner provided in section 5.
(2) The cess leviable under sub-section (1) shall be in addition to any other duties or taxes chargeable on the specified goods under any law for the time being in force---
(3) If the Central Government is satisfied that it is necessary in the public interest so to do, it may, by notification, exempt any taxable person or a class of taxable persons, unconditionally or subject to such conditions, from the whole or any part of the cess leviable under this section for such period as may be specified in the said notification.