law: The Food Safety and Standards Act, 2006 
  47. Sampling and
  
  analysis. - 
  1.     
  
    When
  
  a Food Safety Officer takes a sample of food for analysis, he shall -
  a.      give notice in
  
  writing of his intention to have it so analysed to the person from whom he has
  
  taken the sample and to the person, if any, whose name, address and other
  
  particulars have been disclosed;
  b.     except in special
  
  cases as may be provided by rules made under this Act, divide the sample into
  
  four parts and mark and seal or fasten up each part in such a manner as its
  
  nature permits and take the signature or thumb impression of the person from
  
  whom the sample has been taken in such place and in such manner as may be
  
  prescribed by the Central Government: Provided that where such person refuses
  
  to sign or put his thumb impression, the Food Safety Officer shall call upon
  
  one or more witnesses and take his signature or thumb impression, in lieu of
  
  the signature or thumb impression of such person;
                       
  
   i.        
  
  
  
    send
  
  one of the parts for analysis to the Food Analyst under intimation to the
  
  Designated Officer;
                      
  
   ii.        
  
    send
  
  two parts to the Designated Officer for keeping these in safe custody; and
                     
  
   iii.        
  
    send
  
  the remaining part for analysis to an accredited laboratory, if so requested by
  
  the food business operator, under intimation to the Designated Officer:
  Provided that if the
  
  test reports received under sub-clauses (i) and (iii) are found to be at
  
  variance, then the Designated Officer shall send one part of the sample kept in
  
  his custody, to referral laboratory for analysis, whose decision thereon shall
  
  be final.
  1.     
  
  
  2.     
  
    When
  
  a sample of any article of food or adulterant is taken, the Food Safety Officer
  
  shall, by the immediate succeeding working day, send the sample to the Food
  
  Analyst for the area concerned for analysis and report.
  3.     
  
    Where
  
  the part of the sample sent to the Food Analyst is lost or damaged, the
  
  Designated Officer shall, on a requisition made to him, by the Food Analyst or
  
  the Food Safety Officer, despatch one of the parts of the sample sent to him,
  
  to the Food Analyst for analysis.
  4.     
  
  
  
    An
  
  article of food or adulterant seized, unless destroyed, shall be produced
  
  before the Designated Officer as soon as possible and in any case not later
  
  than seven days after the receipt of the report of the Food Analyst: Provided
  
  that if an application is made to the Designated Officer in this behalf by the
  
  person from whom any article of food has been seized, the Designated Officer
  
  shall by order in writing direct the Food Safety Officer to produce such
  
  article before him within such time as may be specified in the order.
  5.     
  
    In
  
  case of imported articles of food, the authorised officer of the Food Authority
  
  shall take its sample and send to the Food Analyst of notified laboratory for
  
  analysis who shall send the report within a period of five days to the
  
  authorised officer.
  6.     
  
    The
  
  Designated Officer, the Food Safety Officer, the authorised officer and the
  
  Food Analyst shall follow such procedure as may be specified by regulations.