GSTN Introduces E-Invoice Verifier App: A Game-Changer for GST Compliance By finverto / October 16, 2024 GSTN Introduces E-Invoice Verifier App: A Game-Changer for GST Compliance. The Goods and Services Tax Network (GSTN) has made a significant leap in streamlining GST compliance with the launch of its new E-Invoice Verifier App. This