The Chinese Olympic Committee has said they will provide a report "soon" and assured the IOC there would be no repeat of its athletes wearing the badges.
Some of the most dazzling and dramatic moments of the Games came from women.
From sharing medals to defections to gestures on the medals podium to punching horses, the Tokyo Olympics had it all.
Images from the athletics action at Stade de France, Saint-Denis, Paris, on Friday.
Valerie Adams chalks up another medal for the mums.
Lamont Marcell Jacobs became the first men's Olympic 100 metres champion of the post-Usain Bolt era on Sunday as high jumper Gianmarco Tamberi made it a double gold night for Italy with an emotional - and unusual - high jump victory.