law: The Prevention and Control of Infectious and Contagious Diseases in Animals Act, 2009 
  16. Entry and exit of
  
  vaccinated animals into controlled and free areas. – 
  Notwithstanding anything
  
  contained in section 10, an animal belonging to the species of animals in respect
  
  of which an area has been declared as a controlled or free area in relation to any
  
  scheduled disease, which has been duly vaccinated against that disease, shall be
  
  allowed to enter into or be taken out of the controlled area or free area, or to
  
  be taken out of any other place on the production of a certificate to the effect
  
  that vaccine against that disease has been administered and a period of not less
  
  than twenty-one days has elapsed thereafter.