If the 2024 and 2028 Olympics are to both be awarded this summer, then June 9 is a key date.
The International Olympic Committee executive board will meet in three weeks to discuss possible changes to the Olympic host city bidding process.
The board will hear a report from four IOC vice presidents commissioned in March to look at choosing the host cities for both the 2024 and 2028 Olympics this summer.
The 13-member executive board meeting could lead to an IOC members vote in July to formally accept a 2024-2028 Olympic host city double vote in September.