請問小白兔:"what does the welcome notice to my I485 mean"?

來源: 於 2006-07-06 20:49:14 [舊帖] [給我悄悄話] 本文已被閱讀：次

On July 5, 2006, a welcome notice was mailed for this case. If 30 days have passed and you have not received this notice. Please call the National Customer Service Center at (800) 375-5283 during business hours.

IS this approved notice?
Thank you very much!