How To Use A Coupon, Voucher, Or Promo Code Valisa R. May 07, 2018 20:47 Updated Follow Please ensure to enter all coupon, vouchers, and any promotional code into the Promo Code field at check out. Related articles How Many Discounts Or Promotions Can Be Applied To My Order? What Are The Coupon Amounts Available And Expiration Dates For NBCA? Do you price match? What Is The Process To Send An NBCA Goodwill Coupon?? Payment Options Comments 0 comments Article is closed for comments.