( 1) The Government may after giving the agency an opportunity of expressing its views, by order, exempt from the payment of .any such tax in whole or in part any person or class of person or any property or description of property.
(2) If any time it appears to the Government, on a representation made or otherwise, that any tax imposed by or under this Act is unfair and its incidence or that the levy thereof or of any part thereof is injurious to the interests of the general public; it may after giving the agency the opportunity of expressing its views, require the agency to take within a specified period measures to remove the objection; and if within that period the requirement is not complied with to the satisfaction of Government, the Government may by notification suspend the levy of the tax or of such part thereof until the objection has been removed.