Instructions:New customers can get £10 off a £45+ spend off their first grocery shop online at Asda.com* by entering the code M3TNYAF4 at the checkout. It can be used on deliveries before 10pm on Sun 8 Aug. Delivery costs from £3.50 depending on time slot.
It's not valid on any other Asda site other than grocery purchases or on the purchase of tobacco products, infant milk, prescription medicines and the delivery charge. Only one use per customer, for customers registered after Mon 2 Aug.
Just sign up as a new customer and get the discount .