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"Use Edit Log for transactions/masters, and digital signature for invoices/reports with Release 2.1. Download NOW!"
https://help.tallysolutions.com/docs/te9rel49/01_MAINTAINING_COMPANY_DATA_IN_TALLY/02_F12_Configurations_in_Tally/Purchase_Transactions.htm

Purchase Transactions

The Purchase printing option allows you to configure the printing of Purchase Invoice, Purchase Orders and Receipt Note.

Go to Gateway of Tally > F12: Configure > Printing > Purchase Transactions