Mr and Mrs H undertook foster care in the year ended 5 April 2008 and received £62,400 for the care of three children under the age of 11. The money is paid to Mrs H, but is deposited in their joint bank account.
An example in Tolley's Income Tax (at 29.13) seems to indicate that this income would be covered by an exemption of £72,400 under ITTOIA 2005, s 803 et seq:
Foster carers