law: Trade Marks Act, 1999  
  51. Power of Registrar to call for information
  
  relating to agreement in respect of registered users.- 
  (1) The Registrar may, at any time during the
  
  continuance of the registration of the registered user, by notice in writing,
  
  require the registered proprietor to confirm to him within one month that the
  
  agreement filed under clause 9a) of sub-section (1) of section 49 continues to
  
  be in force.
  (2) If the registered proprietor fails to
  
  furnish the confirmation within one month as required under sub-section (1) the
  
  registered user shall cease to be the registered user on the day immediately
  
  after the expiry of the said period and the Registrar shall notify the same.