190Restrictions on reliefU.K.
(1)No deduction is allowed under section 189 in relation to an amount so far as—
(a)it is used to finance expenditure or investment outside the United Kingdom, or
(b)it is applied outside the United Kingdom in another way.
(2)No deduction is allowed under section 189 in relation to an amount owed so far as a deduction is allowed in respect of it under section 35 (bad and doubtful debts).
(3)No deduction is allowed under section 189 in relation to an amount owed so far as a payment under a contract of insurance has been received in relation to it.
(4)No deduction is allowed under section 189 in relation to an amount brought into account in calculating profits if relief under section 842 (unremittable income) may be claimed in relation to that amount.