Stays forever. The condition is specifically meant to foul those planets since Independents aren't normally territorial and offering an easy colony system in every playthrough was something I wanted to avoid.
Ouch... A shame. Even more so with how hard it gets to make a player system without something trying to get you in 0.97.
First pirates. Easy enough.
Then Pathers because "TeCh Is bAd ! Reeeee !".
Followed by the League. "Join or else".
Use AI ? The Hegemony has something to say.
You produce fuel ? The Diktat raid your planets.
You have Industries ? Tri Tac want you to sign this contract without reading the fine prints.
Oh ! Forgot the Church "asking" for "volontary donations" to help protect the mass... Actually the lesser of those problems.