162A(1) To the extent that a liability is attributable to financing (directly or indirectly)–
(a)the acquisition of any excluded property, or
(b)the maintenance, or an enhancement, of the value of any such property,
it may only be taken into account so far as permitted by subsection (2) to (4).
162A(2) Where the property mentioned in subsection (1) has been disposed of, in whole or in part, for full consideration in money or money's worth, the liability may be taken into account up to an amount equal to so much of that consideration as–