https://www.taxtmi.com/forum/issue?id=105934 For interstate CST transactions the supplier's CST TIN must be entered in Annexure 1A to generate Form C online; using an alternate GST/VAT TIN can result in seller TIN not being verified in TINXSYS. Some states use suffixes to mark central or VAT numbers, but that convention does not alter the need to provide the CST TIN as the operative identifier for Form C issuance. en-us Mon, 29 Jul 2013 10:12:48 +0530 Thu, 23 Jan 2025 15:57:34 +0530 TaxTMI RSS Generator https://www.taxtmi.com/forum/issue?id=105934 For interstate CST transactions the supplier's CST TIN must be entered in Annexure 1A to generate Form C online; using an alternate GST/VAT TIN can result in seller TIN not being verified in TINXSYS. Some states use suffixes to mark central or VAT numbers, but that convention does not alter the need to provide the CST TIN as the operative identifier for Form C issuance. Discussion-Forum VAT / Sales Tax Mon, 29 Jul 2013 10:12:48 +0530 https://www.taxtmi.com/forum/issue?id=105934