law: Building and Other Construction Workers (Regulation of Employment and Conditions of Service) Act, 1996 
  
  7.Registration of establishments.- 
  (1) Every employer shall.----
  (a) in relation to an establishment to which this Act applies on its
  
  commencement, within a period of sixty days from such commencement ; and
  (b) in relation to any other establishment to which this Act may be applicable
  
  at any time after such commencement, within a period of sixty days from the
  
  date on which this Act becomes applicable to such establishment.
  
  make an application to the registering officer for the registration of such
  
  establishment;
  
  Provided that the registering officer may entertain any such application
  
  after the expiry of the periods aforesaid, if he is satisfied that the
  
  applicant was prevented by sufficient cause from making the application within
  
  such period.
  (2) Every application under sub-section (1) such be in such form and shall
  
  contain such particulars and shall be accompanied by such fees as may be
  
  prescribed.
  (3) After the receipt of an application under sub-section (1), the registering
  
  office shall register the establishment and issue a certificate of registration
  
  to the employer thereof in such form and within such time and subject to such
  
  conditions as may be prescribed.
  (4) Where, after the registration of an establishment under this section, any
  
  change occurs in the ownership or management or other prescribed particulars in
  
  respect of such establishment, the particulars regarding such changes shall be
  
  intimated by the employer to the registering officer within thirty days of such
  
  change in such form as may be prescribed.