Understanding TDL for Tally.ERP 9 Tally Definition Language (TDL) is the proprietary development language used to build and extend Tally.ERP 9
GST, TDS, and e-invoicing rules change frequently. While Tally releases updates, some niche requirements (e.g., a specific printing format for a state tax department) require immediate, custom TDL patches. tdl for tally erp 9
Digital Signature: Adding a validated digital signature directly onto PDF invoices generated from Tally. Understanding TDL for Tally