but do not qualify for inclusion in ISO 3166-1. To avoid transitional application problems and to aid users who require specific additional code elements for the functioning of their coding systems, the ISO 3166/MA, when justified, reserves these codes which it undertakes not to use for other than specified purposes during a limited or indeterminate period of time.

The reserved alpha-2 codes are divided into the following three categories: exceptional reservations, transitional reservations, and indeterminate reservations.

Exceptional reservations

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