1. Demo Project contains TaxProGST.API.dll Version 21.0.0.2
2. Updated GSTN Latest Sandbox Public Key for Sandbox Testing.
3. Public API Get Preference of taxpayer GSTIN is now available in Production Environment.
Download Link : https://taxpro.co.in/downloads/TaxProGSTCtlWinFormsDemo.zip
Thanks & Regards
TaxPro GSP Team