I got my TOR a month after my box of personal items arrived through USPS Priority Mail. After contacting the National Duty Repayment Centre to reclaim my VAT, I was told they just handle claims that were shipped through couriers or shipping companies. I was directed to the Border Force online chat, since lines (queues) were long. Finally, I was told to download and print form BOR286 to reclaim VAT from mailed boxes. I will send it off tomorrow with all the labels from the box and the customs form from the post pffice. I hope this helps someone.