The Court of Arbitration for Sport has registered an appeal filed by the Russian Olympic Committee against the decision by the IOC to suspend its membership.

The challenge arose over the International Olympic Committee’s (IOC) suspension of Russia following a decision to include as members of the nation’s Olympic organisation (ROC) some regional sports groups which fall under the authority of the National Olympic Committee (NOC) of Ukraine.

“In its appeal to the CAS, the ROC requests that the Challenged Decision be set aside and that it be reinstated as a NOC recognised by the IOC, benefiting from all rights and prerogatives granted by the Olympic Charter,” the independent Court of Arbitration for Sport (CAS) said in a statement on Monday.

“The CAS arbitration proceedings have commenced. In accordance with the Code of Sports-related Arbitration (the CAS Code) … the parties are exchanging written submissions and the panel of arbitrators that will decide the matter is being constituted.”

The Russian Olympic Committee was banned with immediate effect on October 12 for recognising regional organisations from four territories annexed from Ukraine, the International Olympic Committee said.

The IOC added the ROC would not be eligible for any funding after it recognised earlier this month Olympic Councils from the regions of Luhansk, Donetsk, Kherson and Zaporizhzhia, but that the decision would not affect any Russian athletes competing as neutrals.

Russian president Vladimir Putin later accused the IOC of using the Games as a political tool.

“Thanks to some of the leaders of the modern International Olympic Committee, we learned that an invitation to the Games is not an unconditional right of the best athletes,” Putin told the Russia – Sporting Power conference in the Urals city of Perm.

“But a kind of privilege, and can be earned not by sporting results, but by political gestures that have nothing to do with sport at all.

“And that the Games themselves can be used as an instrument of political pressure against people who have nothing to do with politics.

“And as gross, and in fact racist, ethnic discrimination.”

Russia’s full-scale invasion of Ukraine last year has triggered multiple sporting sanctions.

The CAS Panel’s decision will be final and binding, with the exception of the parties’ right to file an appeal to the Swiss Federal Tribunal within 30 days on limited grounds.