Expiores 18th April 2012.
Just found this on Google,states for new shoppers but I just tested on my existing account and work no problem,as basket below
£10 off £50 on Your First Shop at Tesco direct. Use TDX-H4JW.
code eCoupon value expires
Save £10 when you spend £50 on your first shop at Tesco direct
* this eCoupon can't be used in conjunction with other eCoupons
First time shoppers Save £10 when you spend £50 at Tesco Direct, enter code TDX-H4JW at checkout.
All customers can take advantage of our other fantastic offers:
TDX-H4JW entitles you to save £10 when you spend £50 or more on at Tesco direct ©. Only one eCoupon per customer. This eCoupon is not valid for 3rd party sellers. This ecoupon code is linked to your Clubcard number and for your personal use only. Please enter the eCoupon code at the Tesco direct checkout to qualify, these eCoupons are valid from 13/03/2012 until 23.59 on 18/04/2012 Orders must be placed by the stated end date to qualify. eCoupons can be used online at the Tesco direct checkout by entering the eCoupon code. To use in-store hand this eCoupon over with your Clubcard at the Tesco direct desk. To use on the phone please inform the customer assistant when ordering and read out the code during checkout. It cannot be used in-store at the main stores checkouts or at other Tesco online stores. eCoupon codes starting TDX- cannot be used with any other eCoupon code. All products are subject to availability and where stocked. This eCoupon is, and shall remain the property of Tesco Stores Ltd and is not for re-sale or publication. We reserve the right to withdraw this eCoupon at any time before the published end date. Copied, damaged or defaced coupons will not be accepted. Normal eCoupon terms and conditions apply - see website for full details