https://www.taxtmi.com/acts?id=19306 Invoices, bills, challans under rule 4A and consignment notes under rule 4B must be authenticated by a digital signature; the Board may notify the conditions, safeguards and procedure for issuing digitally signed invoices, and a limited exception allows certain non-taxable territory online service providers to issue online invoices without digital signature for a transitional period. en-us Mon, 02 Mar 2015 18:49:36 +0530 Wed, 28 Dec 2016 13:51:14 +0530 TaxTMI RSS Generator https://www.taxtmi.com/acts?id=19306 Invoices, bills, challans under rule 4A and consignment notes under rule 4B must be authenticated by a digital signature; the Board may notify the conditions, safeguards and procedure for issuing digitally signed invoices, and a limited exception allows certain non-taxable territory online service providers to issue online invoices without digital signature for a transitional period. Act-Rules Service Tax Mon, 02 Mar 2015 18:49:36 +0530 https://www.taxtmi.com/acts?id=19306