Olympic Charter Rule 41: Nationality of Competitors
1. Any competitor in the Olympic Games must be a national of the country of the NOC which is
entering such competitor.
2. All matters relating to the determination of the country which a competitor may represent in
the Olympic Games shall be resolved by the IOC Executive Board.
Olympic Charter 《奥林匹克宪章》或者《奥林匹克章程》或者《奥林匹克规则》第41 条Nationality of competitors 规定是“Any competitor in the Olympic Games must be a national of the country of the NOC which is entering such competitor.”
The noun "national" can include both citizens and non-citizens. Permanent Residents 就是non-citizens。