At stake in a second CAS hearing would be Yang’s chance to compete at the pandemic-delayed 2020 Tokyo Olympics now set for July 2021.
The CAS judgement comes after WADA hit Russia with the four-year ban last year for doping non-compliance after finding data handed over from its tainted Moscow laboratory had been manipulated.
The new restrictions on Russia will be weaker than before. In Tokyo and Beijing, Russia will be able to field athletes whose files in the Moscow doping lab database were altered or deleted while the data was under the control of the Russian state.
The CAS ruling is the latest stage in a long-running battle between WADA and Russia.
USADA chief executive Travis Tygart said the sanctions would be undermined since athletes would still be able to compete in uniforms in Russian colours with the word "Russia" on them.
Russian athletes and teams will still be allowed to compete at next year’s Tokyo Olympics and the 2022 Winter Games in Beijing, as well as world championships including the 2022 World Cup in Qatar
The ban, as it stands, means Russia would miss the re-arranged Tokyo Olympics 2020 next year as well as football's 2022 World Cup in Qatar and the 2022 Winter Olympics in China.
Foo Kune was the flag bearer for Mauritius at the opening ceremony for the 2016 Rio de Janeiro Olympics.
The court also received an appeal by the World Athletics governing body against a decision to clear women's 400-meter world champion Salwa Eid Naser on a technicality despite facing similar charges as Coleman.
Ahmad, from Madagascar, has been president of the African Football Confederation (CAF) since March 2017 and was standing for re-election when FIFA banned him for "governance issues".
MotoGP rider Andrea Iannone's doping ban extended to four years by CAS after failing to prove innocence
The Court of Arbitration for Sport said its three judges dismissed the Italian rider’s appeal against an 18-month ban and upheld the World Anti-Doping Agency’s counter appeal requesting a four-year sanction.
The ensuing ban meant Russia would miss the re-arranged Tokyo Olympics next year as well as football's 2022 World Cup in Qatar and the 2022 Winter Olympics in China.
The Court of Arbitration for Sport said it has moved next week's scheduled hearing for Salazar and endocrinologist Jeffrey Brown to a new slot from 3-12 March.
The CAS panel of judges from Australia, France and Italy are unlikely to give a ruling for at least several weeks.
The AIU charged Coleman for missed tests in January and December 2019, as well as for a "filing failure" last April.
The slate of punishments proposed by WADA includes a ban on Russia’s flag, anthem and team name at the Tokyo Olympics next year and the 2022 Winter Games in Beijing.
The Biathlon Integrity Unit said Ustyugov will lose the gold medal he won in the 15-kilometer mass start race at the 2010 Winter Olympics in Vancouver and his relay bronze from the same year, subject to confirmation from the International Olympic Committee.
Naser stunned athletics in Doha last year when she powered to the third-fastest 400m time in history to win the world title.
CAS hears former FIFA official Marco Polo del Nero's appeal against life ban from football on charges of bribery
Del Nero was indicted by United States federal prosecutors in November 2015 on financial conspiracy charges and risks arrest if he leaves Brazil. He has avoided extradition.
The source said the PCB has now requested for the hearing to be held through a video link, but the CAS is yet to respond.