How to decode the GSTIN printed on your bills?

GST or Good and Service Tax identification number is providing to all of your bill on a purchase. It is a unique number. In the older tax system any Trader, Dealer or Vendor had to register for state sales tax under VAT (Value added Tax) or CST (Central Sales Tax). Whose revenue had been deposited into their account based on purchase by the vendors?

In new tax reform these Traders, Dealers or Vendors will have to Register their business under GST and the tax they had collected will go to be deposited equally to State and Centre in form of SGST and CGST. In case of interstate purchase on more entity come in existence called IGST.
Let’s understand the structure of these GST number. GST is a unique 15 digit number. For example:

27 ABCDE1234F 1 Z 9

The first section contains the state code where the business is registered just like in above example 27 refers to Maharashtra, 10 to Bihar, 05 to Uttrakhand.

The second section refers to the Permanent account number (PAN) of the business or owner.

The third section i.e. 13th digit indicates the type of registration that is either a Proprietor or partnership or HUF etc.

The fourth section is Z which is by default same for everyone.

The last section is digit for parity check code generated randomly for detection of any error.

If you like the article and want to read more interesting articles then do follow and subscribe us. In the next article, we will come along with decoding of some other government issuing numbers.

Disclaimer: Recommendations and suggestions above are generic in nature. Be advised to consult a registered certified trainer or another professional before trying yourself.


This is a blog contains various articles includes Zodiac, Astrology, Numerology, Vastu-Shastra, Parenting, Lifestyle, Relationships, Recipes, Jobs and much more. To gets it Hindi version visit If you like this blog then do subscribe and follow us. If you have any complaint or suggestions then mail to us at