Ok.
Because of the recent elegibility problems, and because I will be away next weekend,
I have decided to give 2 more days (until Sunday) to have LUs ready.
About some concrete cases:
Case FLCL:
Originally, team Canada's captain allowed FLCL to go to team Asia, but he changed his mind 2 days later.
Because there wasnt a clear rule about this, and the rule was:
If you play for a team and use the strong eligibility, you MUST be play with them for every subsequent year if the captain chooses you for his roster, assuming that team is still in existence and you are still in that location
For that reason, FLCL is locked in team Canada.
We have added a new rule to prevent this in the future, editted in the OP: The team manager can allow a locked player to move to another team with a weaker elegibility if he does not want him. In order of this to be valid, the manager must PM the host, and this decision is final and cannot be changed later.
Case Pokeaim:
He has a strong elegibility in USA Metro, and a weak elegibility in Usa East because he was born outside the Metro area. Therefore, since he is not locked in any team, he can choose between his strong and his weak elegibility, so he can join team USA east under weak elegibility.
I editted the OP as well, so I hope the rule is more clear.