The International Olympic Committee has stopped the amateur boxing federation from planning the tournament at the Tokyo 2020 Games while it investigates the group’s finances, antidoping measures and other “significant concerns.”

The federation, which is known by the acronym AIBA, has been plagued by a series of scandals dating at least to the London 2012 Games. Questions have been raised about the fairness of its judges, potential medal-buying schemes and several significant loans that were squandered and pushed the group toward insolvency.

The I.O.C. said in a statement that “the goal was still to have an Olympic boxing tournament at Tokyo 2020” regardless of what happened to AIBA, though it did not outline how a tournament would be held without the international boxing federation.

The I.O.C.’s sports director, Kit McConnell, said technical planning for a tournament was going on behind the scenes, according to Inside the Rings.