What a CIN is
The CIN is allotted by the Registrar of Companies when a company is incorporated. It appears on the certificate of incorporation and must be printed on the company’s letterheads, invoices and filings. LLPs get a different identifier, the LLPIN.
| Position | Length | Part | Example (Infosys) |
|---|---|---|---|
| 1 | 1 | Listing status — L listed, U unlisted | L |
| 2–6 | 5 | Industry code (NIC) declared at registration | 85110 |
| 7–8 | 2 | State / ROC code of the registered office | KA |
| 9–12 | 4 | Year of incorporation | 1981 |
| 13–15 | 3 | Company type / ownership | PLC |
| 16–21 | 6 | ROC registration number | 013115 |
CIN as printed in Infosys Limited’s annual return