Return of your supporting documents
Your supporting documents will be sent back to you separately by normal second-class post. As these documents are valuable, IPS recommends that you pay an extra fee of £3.00 to have them returned by Secure Delivery.
这个再网站上看到，但是表格和付款表格没这么个选项
是直接多写3磅的支票嘛？
谢谢