Applying Promo Codes
If you have received a promo code it's quite easy to apply to your mailing.
When you have successfully uploaded your PDF documents you will click the continue button, this should take you to "Review Order" page.
When you are on this page, you must enter your promo code in the empty box next to your total and click Apply Code.
When you have entered your promo code, click Add Letter To Cart and from there you may check out.