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https://www.iaaf.org/about-iaaf/documents/iaaf-newsletter
ここのNEWS 175 - July 2016→TRANSFERS OF ALLEGIANCEをダウンロード
RULE 1
International Competitions
1. the following are international Competitions:
(a) (i) Competitions included in the world Athletics Series.
(ii) the Athletics programme of the Olympic games.
(b) the Athletics programme of Area, Regional or group games
not confined to participants from a single Area where the iAAF does not have exclusive control.
(c) Regional or group Championships in Athletics not confined to participants from a single Area.
(f) Area Championships and other intra-Area competitions organised by an Area Association.
(g) the Athletics programme of Area, Regional or group games,
and Regional or group Championships in Athletics confined to participants from a single Area.