Please follow the instructions below to add a purchase order number during checkout.

1) Login to your account.

2) Add the items you require to your basket by using the "add to cart" button on the product page.

3) Click the "proceed to checkout" button (or if you wish to add more items to your cart, click the "continue shopping" button).

4) Your shopping cart will load. Click "proceed to checkout" again.

5) Confirm your delivery address and click "continue".

6) Choose your shipping method and click "continue".

7) Payment options will appear. Above the payment options, you will see a box where you can enter a purchase order number before choosing your payment method. To complete your purchase click "Buy Now".