Can a member of icai not having cop sign

cherisha patel (CA) (88 Points)

06 April 2013  

Hey friends..

CAn a member of icai( a CA), who does not have cop.

but makes income tax returns etc. sign on the computation of total income working,P&l, balance sheet , etc.

Atleast  can we do certified true copy stamp?

and what will be the format of such stamp? 

Please help......