Deal for new Asda online customers, must go through Topcashback.
For the deal to work, these guidelines must be complied with:
If the individual making the transaction is a new member, the individual must first register as a member of TopCashback prior to making their purchase to redeem the £15 Cashback on a £25+ spend with Asda Groceries.
New Asda Groceries members only.
£15 Cashback on a £25+ spend with Asda Groceries is only available for new members or those with no previous purchases or cashback through TopCashback.