Dear Kat,
I think you were correct. Only one invoice should be paid on due date (01. Nov 16) as our normal payment policy. No deposit is required.
P/S: Maybe, Silvia hasn’t seen your due date (01. Nov 16) in the invoice and thought they have to transfer the whole cost on 23. or 26 Oct 16.
Please clarify with them!
Thanks & best regards,
Quang