law: Poisons Act, 1919
  9. Savings
  (1) Nothing in this Act or in any license
  
  granted or rule made thereunder shall extend to, or
  
  interfere with, anything done in good faith in the exercise of his profession
  
  as such by a medical or veterinary practitioner.
  (2) Notwithstanding anything hereinbefore
  
  contained the 5[State Government] may 14[***] by general or special order
  
  declare that all or any of the provisions of this Act 9[except section 3] shall
  
  be-deemed not to apply to any article or class of articles of commerce
  
  specified in such order, or to any poison or class of poisons used for any
  
  purpose so specified.
  (3) The authority on which any power to make
  
  rules under this Act is conferred may, by general or special order, either
  
  wholly or partially-
  (a) exempt from the
  
  operation of any such rules, or
  (b) exclude from the
  
  scope of the exemption provided by sub-section (1),any person or class of
  
  persons either generally or in respect of any poison specified in the order.