Hasn't Daniela Silivas said that she was 13 in Montreal when she won her first world event final?
Romania was an egregious offender of age rules until about 2004. The hot rumor was that Andreea Munteanu was underage and that's why she got "injured" shortly before the Athens Games.
Since they don't threaten for gold on the women's side, thanks to the new code, (they suck on bars), I don't think the FIG feels that going after them is very sporting. Also, the violations were from a long time ago.