Its not quite as attractive as it first seems.
# The first 6 months will be automatically billed at £9.99 by BT Mobile. You must then send your 6th monthly bill to the address below, within 28 days of reciept and you will recieve a cheque for £42.00.
# After 6 months, you will be billed for the full line rental of £25.00 directly from the network.
# The claim the second half of the year, the remaining 6 months of line rental, you must send in your 12 month bill to recieve your cheque of £90.06 to the following address: