They can apply for membership just like any other non-member and will be alowed in if they comply with with all the rules (which they don’t) and if and only if all other members agree (all existing members have a veto right on taking in a new member).
If they start now and assuming they solved their Rule Of Law issues (all those anti-human rights measures and legislation will have to go, I’m afraid) and adopt the euro, it will take maybe 20 year or so as long as they give up Gibraltar so that Spain does not veto their membership approval.
They can apply for membership just like any other non-member and will be alowed in if they comply with with all the rules (which they don’t) and if and only if all other members agree (all existing members have a veto right on taking in a new member).
If they start now and assuming they solved their Rule Of Law issues (all those anti-human rights measures and legislation will have to go, I’m afraid) and adopt the euro, it will take maybe 20 year or so as long as they give up Gibraltar so that Spain does not veto their membership approval.