Ordering Online is the simplest. Just add your required products to your basket and proceed to the checkout. The only tricky bit you need to do is to click the "Postal Cheque" option at the select payment screen. (Please see the image below)
This will allow you to complete the order. If you have an official order number, please enter it in the "delivery details" box.
Your order will then be processed and a pro Forma Invoice generated for email or posting. On receipt of payment your order will be dispatched for delivery.