Iam doing sales invoices on vyapar mobile app, Is it compulsory as per G.S.T Act 2017 that there should be digital or manual signature on Sale invoices Is , it compulsory for B2B Sales or B2C Sales or both?

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Iam doing sales invoices on vyapar mobile app, Is it compulsory as per G.S.T Act 2017 that there should be digital or manual signature on Sale invoices Is , it compulsory for B2B Sales or B2C Sales or both? | anreads Forums | anreads