From SlickDeals.net (have not verified they work yet)
JCPenney $10 off $10 online now through Feb27 with JCP card
JCPenney $10 off a purchase totaling $10 or more at jcp.com when you use your JCPenney Card, now through Saturday, February 27.
Enter code TEN4YOU when prompted at checkout. ~~~$10 savings excludes taxes and shipping charges. ~~~Discount does not apply to Cosmetics & Fragrances, Cookware, Electronics, Floor Care, Furniture & Mattresses, Kitchen Electrics, Personal Care, Sephora, Levi's, Outlet Stores, Services, Salon Service & Service Contracts, or Gift Card/e-Gift Cards, current orders or prior purchases, and the following additional jcp.com & catalog purchases: Value Right, 2 or more/Combo prices and Toys.
For in store purchases use this $10 off $25 purchase. Expires 2/27/10 also.
$10 off $25 purchase JCP