It is strongly recommended today that any country wishing to establish a Registration Authority (RA) for allocations within that country reach agreement between the administration of an ITU Member State for the country/state and the ISO Member Body for the country/state (if any) for a given organization to do the allocations within that country using the arc {joint-iso-itu-t(2) country(16)}.  The organization may be an agency of the administration of the ITU Member State or part of the ISO Member Body, or may be an independent organization operating for both of them – in all three cases by mutual agreement (see the check-list of actions to be taken).

It can happen that a country is already operating an RA under one or more of the arcs {itu-t(0) administration(2)}, {iso(1) member-body(2)} or {joint-iso-itu-t(2) country(16)} (see the known country RAs and the correspondence table between country codes and OIDs). It is however recommended that preference be given to using arc {joint-iso-itu-t(2) country(16)}. The values assigned to country arcs are the numerical codes of the UN Statistics Division (without leading zeros) together with the corresponding and the ISO 3166-1 alpha-2 codes.

The structure to allocate child OIDs underneath a country OID is a national decision but question 12 in the FAQ may be of help.

If a Registration Authority (RA) is to be established for a country, either at the initiative of the administration of the ITU Member State or of the ISO Member Body, the following steps need to be followed (as an application of Recommendation ITU-T X.660 | ISO/IEC 9834-1, clause A.4.5):

1. Identify the organization(s) for the administration of the ITU Member State and the ISO Member Body (if any), and agree a contact point between them.
   Note: In the exceptional case that a country/state has only an administration of the ITU Member State or only an ISO Member Body, then that organization can and will operate alone, but the letter referred to below should still be sent.
2. Determine to set up an RA for the country under arc {joint-iso-itu-t(2) country(16)} (preferably; otherwise under arc {iso(1) member-body(2)}), and agree and appoint the organization that will administer it (see "What are the duties of an RA?").
3. Agree and (if appropriate) document the criteria that will be used for the first level of allocations within the country and any charging regime that is to operate (see "Are there guidelines or standards regarding subsequent arcs of a country arc?").
4. Consider whether the top-level of allocations within the country are to be made public (e.g. placed in this OID repository) or not.
   Note: There is no requirement for the allocations to be public, but backed-up records should be kept, and it is recommended that preference be given to making public at least the top-level of allocations within the country .
5. Establish how organizations within the country will become aware of the criteria for getting sub-allocations (see "Which information is necessary to apply for an OID?"), and how they are to contact the RA for the country.
6. Consider whether it might be appropriate to develop a dedicated application or web-site to assist those organizations wishing to obtain allocations under the country RA.
7. Produce a letter (preferably in English, otherwise in one of the 5 other official languages of the United Nations, using the suggested template), signed by official representatives (perhaps with a seal/stamp) of the administration of the ITU Member State and the ISO Member Body.
   Note: In the case of a country arc under {iso(1) member-body(2)} the decision is only taken by the ISO National Body of the country.
8. Forward this letter to either or both of ITU-T SG17 and ISO/IEC JTC 1/SC 6 using the contact details which should be known to the administration of the ITU Member State and the ISO Member Body.
   Note: In practice, this letter is normally forwarded to the ITU-T SG17 OID Project leader (who also happens to be the webmaster of this web site), and the Project leader will arrange for further progression.
9. The country RA can then begin operation.
10. The letter will in due course be recorded in the report of the relevant ITU-T SG17 plenary meeting, and in the Resolutions of the relevant ISO/IEC JTC 1/SC 6 meeting. A copy will also be made available in this OID repository.

Would you have any question, please ask it to OID helper.

This is the template usually used by the administration of the ITU Member State and the ISO Member Body to appoint the organization which will operate the RA for a country. This letter shall be sent (in English) to either or both of ITU-T SG17 and ISO/IEC JTC 1/SC 6. In practice, this letter can be forwarded to the ITU-T SG17 OID Project leader who will arrange for further progression.

The following countries are known to operate a Registration Authority. Some of them began to operate the RA many years ago and there is no record of a signed agreement.

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