Why don’t you read them? https://1997-2001.state.gov/regions/eur/fs_members.html https://1997-2001.state.gov/regions/eur/fs_members.html Those are the minimum

Why don’t you read them? https://1997-2001.state.gov/regions/eur/fs_members.html https://1997-2001.state.gov/regions/eur/fs_members.html Those are the minimum requirements for new members, everything else is negotiated in the accession process.