Bulk stamp certificate issuance is restricted to Only bulk declarants like Banks, Micro finance Institutions and Insurance Companies who declare a list of instruments at once. To declare Bulk Stamp Duty Instruments, you need the following;

• Instrument (document) and 
• TIN for non-individual.

The due date for filing bulk Stamp Duty returns is the 15th day of the month following the month to which the Stamp Duty relates.