You must write to immigration department. If you really mad with your previous maid, tell them how bad she is and request the immigration dept to blacklist her!!
但要通知agnecy and immigration (保障自已), Fax to immigration is ok, after they receive you fax they will mail you a
letter to confirm notice this issue
but you can also ask your maid to sign a letter to confirm
when she leave your home, she has not injury otherwise
some of the maid will sue the empolyer to 打her and
terminate their contract