The seven member countries from the West African Football Union (WAFU) Zone B committed to the idea at a meeting with Caf officials in Benin.
Julius Ssekitoleko vanished from an Olympic training camp after learning he did not meet standards to compete.
Julius Ssekitoleko made news last week when he vanished from the Olympic village.
Friday's opening ceremony will take place with Tokyo in a state of emergency.
Julius Ssekitoleko, 20, is being interrogated by police in central Japan.