我填PSW第一页的时候有看到一个home office reference number,然后翻了翻后面的解答，回答如下：
B10 All Home Office applications are given an individual reference number. This allows us to track and link past applications. The applicant should provide his/her full Home Office Reference number. This number can be found on any previous Home Office correspondence relating to the applicant. The applicant may have numerous Home Office reference numbers and should provide all such numbers.
这意思是不是说你上一次寄护照办签证的时候ho发给你的确认信里quote的那个reference号码啊？
???
我晕沉得可真快
还真不知道 
， 帮你顶顶把