老人已经买了7月底回中国的飞机票。
听说现在办回美证要好久,如果现在提交是不是来不及了?
-After they conduct the biometrics, then they can leave US. Then, you can mail the reentry permit to them. If they will leave urgently, they may request expedited processing for biometrics appointment which takes about 10 to 14 days. See this link: