Invoice is very important document that is why rules related to invoices set requisite particulars which need to be mentioned on invoice and such invoice can also contain other information or particulars which will be in addition to requisite particulars as required by rules.
Rules 46 of CGST Rules, 2017 talks about particulars to be mentioned on tax invoice but in this article we will discuss only requirement related to tax invoice number only.
Source Taxguru
