Originally Posted by rembrandtuk

From T&C's:

Tesco Freetime may refuse (at all times acting reasonably) any Clubcard Boost or Clubcard perk order where there is evidence of abuse or attempted abuse of the Clubcard Scheme or where the customer has not acted as a consumer. To avoid any doubt, abuse includes, but is not limited to; a. having Clubcard accounts in fictitious names, b. having multiple Clubcard accounts or multiple addresses, multiple memberships of a Clubcard club, c. claiming points not earned from their own transactions, d. exceeding the maximum points earned limit, e. making multiple purchases that breach the terms and conditions associated with the product offer, f. the returning of goods for a refund and keeping the Clubcard points earned from the purchase, g. the breaching of any terms of the Clubcard scheme, h. redeeming Clubcard vouchers for the sole purpose of extending the life of the Clubcard points by submitting vouchers where the value of the Boost product would give a refund of more than 50% in points change.

There have been reports that change over 50% is refunded as a reprint with the original expiry date.