The decision was taken in light of the ongoing coronavirus pandemic, but it will not change the suspensions that were handed out for specific lengths of time and not for specific tournaments.
The World Anti-Doping Agency have revealed that a number of athletes, believed to be in the hundreds, will not be able to try and qualify for the global showpiece should their bans end with enough time to spare.
Although it took longer than expected for the games to be postponed, a statement last week announced that it will be pushed back an entire year.
IOC president Thomas Bach said after the new dates of 24 August until 5 September 2021 were confirmed: "I am confident that, working together with the Tokyo 2020 Organising Committee, the Tokyo