law: Factories Act, 1948 
  72. Notice of period of work for children 
  (1) There shall be displayed and correctly maintained in every
  
  factory in which children are employed, in accordance with the provisions of
  
  sub-section (2) of section 108 a notice of periods of work for children,
  
  showing clearly for every day the periods during which children may be required
  
  or allowed to work.
  (2) The periods shown in the notice required by sub-section (1)
  
  shall be fixed beforehand in accordance with the method laid down for adult
  
  workers in section 61, and shall be such that children working for those
  
  periods would not be working in contravention of any of the provisions of
  
  section 71.
  (3) The provisions of sub-sections (8), (9) and (10) of section
  
  61 shall apply also to the notice required by sub-section (1) of this section.