law: Beedi and Cigar Workers (Conditions of Employment) Act, 1966
  22.Notice of periods of work.- 
  (1) There shall be displayed and correctly
  
  maintained in every industrial premises a notice of periods of work in such
  
  form and in such manner as may be prescribed, showing clearly for every day the
  
  periods during which the employees may be required to work.
  (2) (a) A copy of the notice referred to in
  
  sub-section (1) shall be sent in triplicate to the Inspector having
  
  jurisdiction over the industrial premises within two weeks from the date of the
  
  grant of a license for the first time under this Act, in the case of any
  
  industrial premises carrying on work at the commencement of this Act, and in
  
  the case of any industrial premises beginning work after such commencement,
  
  before the day on which the work is begun in the industrial premises.
  (b) Any proposed
  
  change in the system of work which will necessitate a change in the notice
  
  referred to in sub-section (1) shall be notified to the Inspector in triplicate
  
  before the change is made and except with the previous sanction of the
  
  Inspector, no such change shall be made until one week has elapsed since the
  
  last change.