Where any Digital Signature Certificate, the public key of which corresponds to the private key of that subscriber which is to be listed in the Digital Signature Certificate has been accepted by a subscriber, (*) the subscriber shall generate that [substituted for "the" vide amendment dated 19/09/2002] key pair by applying the security procedure. [* word "then"-deleted vide amendment dated 19/9/2002],
Information Technology Act, 2000
Section 40: Generating Key Pair
Source: official text of the Information Technology Act, 2000.