Importer Exporter Code is a unique 10 digit number issued by the Director General of Foreign Trade, Ministry of Commerce. If the export or export is pertaining to trade, manufacture or agriculture, then IEC is mandatory.
To enter IEC
1. Click F12: Configure from the Excise Registration Details screen.
2. Set the option Enable IEC number to Yes .
3. Press Ctrl+A to save the configuration.
4. Enter the IEC number in the Additional Excise Details section of the Excise Registration screen.