All of the following statuses result in a coding of 0: no evidence of diplomatic exchange
All of the following statuses result in a coding of 1: charge d'affairs, counselor, and
ambassador expelled, recalled, or withdrawn.
All of the following statuses result in a coding of 2: minister, minister plenipotentiary,
minister resident, and envoy.
All of the following statuses result in a coding of 3: ambassador, high commissioner,
secretary of Libyan People’s bureau and similar labels, high commissioner or ambassador
resident elsewhere, and ambassador, high commissioner or secretary vacant.
All of the following statuses result in a coding of 9: interest sections, interests served by
another country, address only (without indication whether there was any diplomatic staff
occupying it), temporary embassy closings, and consulate-generals. This coding was
made when sufficient information was not available to place it in the first three classes
following the reglèment of Vienna (1815) and Aix-la-Chapelle (1818) but the available
information indicated that there potentially was diplomatic presence.