Attention of all taxpayers is invited to Rule 46(b) of the CGST Rules 2017, which specifies that the tax invoice issued by a registered person should have a consecutive serial number, not exceeding sixteen characters – hyphen or dash and slash symbolized as “-” and “/” respectively, and any combination thereof, unique foe a financial year.

This Rule implies that the start of new financial year 2019-20 (w.e.f. 01/04/2019), a new invoice series, unique for the financial year is to be started by the GST taxpayers. Similar provision is there in  rule 49 of the CGST  Rule 2017, in respect of the issue of bill of supply by registered taxpayers availing composition Scheme or supplying exempted goods or services or both.