Please follow the instructions below to add a purchase order number during checkout.
1) Add the items you require to your basket by using the "add to cart" button on the product page.
2) In the popup window, click the "proceed to checkout" button.
3) On the next page, enter your purchase order number in the box provided.
3) Click the "proceed to checkout" button (or if you wish to add more items to your cart, click the "continue shopping" button).
4) Either create an account or click the "sign in" link to sign in using your account login details.
5) Confirm your delivery address and click "continue".
6) Choose your shipping method and click "continue".
7) Payment options will appear. You can select to make a payment via bank transfer if required (bank payment details will be e-mailed to you so you can forward this onto your purchasing department). To complete your purchase click "Buy Now".