The full form of IED is not mentioned anywhere in the question. In the first answer, IEC is taken in place of IED. Thinking this IEC, I am giving the following answer.
IEC is not required for service exporters for other countries. But if you want to avail benefits under foreign trade policy. GST is mandatory. It is mandatory for all other exports and imports.
IEC code will be the same as of PAN these days. But DGFT will issue this code separately if you apply for it in the prescribed application.
IEC code is to be taken by all organisations which are HUF, proprietorship, private, partnership, limited, Trusts, society and LLPs,
The following are exempted from obtaining Importer - Exporter Code (IEC) number:
1. Importers covered by clause 3 (1) [except sub-clauses (e) and (l)] and exporters covered by clause 3(2) [except sub-clauses (i) and (k)] of the Foreign Trade (Exemption from application of Rules in certain cases) Order, 1993.
Ministries/Departments of the Central or State Government.
2. Persons importing or exporting goods for personal use. They should not be connected with trade or manufacture or agriculture.
3. Persons importing/exporting goods from/to Nepal provided the CIF value of a single consignment will be less than Rs.25,000.
4. Persons importing/exporting goods from/to Myanmar through Indo-Myanmar border. But CIF value of a single consignment should be less than Rs.25,000.