1. A natural person shall be identified in a transaction report using the designation resulting from the concatenation of the ISO 3166-1 alpha-2 (2 letter country code) of the nationality of the person, followed by the national client identifier listed in Annex II based on the nationality of the person.
2. The national client identifier referred to in paragraph 1 shall be assigned in accordance with the priority levels provided in Annex II using the highest priority identifier that a person has regardless of whether that identifier is already known to the investment firm.
3. Where a natural person is a national of more than one European Economic Area (EEA) country, the country code of the first nationality when sorted alphabetically by its ISO 3166-1 alpha-2 code and the identifier of that nationality assigned in accordance with paragraph 2 shall be used. Where a natural person has a non-EEA nationality, the highest priority identifier in accordance with the field referring to 'all oth
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