確認:我的I-485批準後才可以為我女兒填I-824,並且那時她必須不到21周歲。還是她的年齡固定在我的I-485收件之日?
-You can file I-824 any time during your I-485 pending or after I-485 approval. Your kid's age will be frozen on the date when your I-824 is filed. So, you need to file I-824 before your child turns 21 (CSPA age).