Russian Federation has been accused of running a state-backed, systematic doping program for years, an allegation that Moscow denies.
Russia's Olympic Committee (ROC) has paid US$15 million (10.80 million pounds) to help develop global anti-doping efforts as part of the conditions set for the country's possible return to the Games, it said on Thursday.
The OAR are competing under the Olympic flag and the Olympic anthem is being played at any medal ceremonies they feature in.
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The Russian Olympic delegation said on Tuesday it could not explain how meldonium, which can aid endurance, ended up in Krushelnitsky's body and that it was launching an investigation.
Russian Federation could lose its chance to be reinstated before the end of the Winter Olympics because of a doping charge against curling bronze medalist Alexander Krushelnitsky.
The Russian curler who tested positive for meldonium in PyeongChang and his partner will give back their bronze medals, according to a Russian state TV.