Indian Company Master Data Made Simple

GSTIN - Goods and Services Tax Identification Number

3 min read

Quick Summary

GSTIN is a 15-digit PAN-based unique identification number assigned to every registered taxpayer under GST.

GSTIN is a 15-character alphanumeric code. Structure: First 2 digits = State code, Next 10 digits = PAN, 13th digit = Entity number, 14th digit = Default Z, 15th digit = Checksum.

Key Points

  • 15-digit alphanumeric code
  • PAN-based structure
  • State code in first 2 digits
  • Mandatory for GST registration
  • Quoted in all GST invoices