回複：小白兔,twocents 救救我!! 我錯過了fingprint appoitment time

Do I need to write a letter to PO BOX 10485 to explain the reason? Or I need to write a letter to ASC where I should make FP taken? From the FP notice, I should write a letter to ASC, but do I need to let USCIS know the reason? Thanks!