CPP and refunds deadline
Confusion would be the best term to describe an otherwise very straightforward policy. A dedicated page explaining in simple words how the CPP works has been available here http://bitmine.ch/?page_id=850 since day 0, but it looks like it wasn't clear enough, or just not read by most people. Let me resume some key points:

2) Refunds can be asked on the 71th day of delay based on the committed shipment date, which is the one published when you place the order.