F   is due to fluctuations in exchange rate and is outside our control.C3: We cannot accept company purchase orders for Single-User manualsG   unless you are purchasing 5 or more copies (in which case you shouldF   look at Multi-User licensing in the previous section before placingE   your order). Please note: "company purchase order" in this contextH   means an official, payment-on-invoice order form for credit purchasesH   on standard nett-30-day terms. Naturally, individual users wishing toG   buy a single manual may do so - all we're saying is that if you wantH   to buy fewer than five copies, you must prepay your order. Please useG   the order form supplied with WinPMail as SU-ORDER.FRM if you wish to<   order five or more copies using a company purchase order.E4: If you are a US corporation or any other US body which is requiredE   to perform tax reporting on payments it makes, be advised that theH   vendor is not US-resident for tax purposes and cannot supply you with