The full form of IEC is Importer- Exporter Code. IEC is regarded as a key business identification number that is compulsory for the purpose of export from India as well for the purpose of import to India. Without having an IEC no export as well as import must be made by any person.
No. IEC is a mandatory document for recognition by govt. of India as exporter/importer. However, if the value of goods is very low, the concerned customs officer may permit the first export (only one time) by imposing penal charges.