Subject to subsections (2) to (4A) below, there shall be a charge to tax under this section—
Tax is not charged under this section where settled property ceases to be property to which section 71D above applies as a result of—
Tax is not charged under this section in respect of—
or in respect of a liability to make such a payment.
Tax is not charged under this section by virtue of subsection (1)(b) above if the disposition is such that, were the trustees beneficially entitled to the settled property, section 10 or section 16 above would prevent the disposition from being a transfer of value.
If an amount is paid or applied otherwise than for the benefit of B and the exemptions provided by subsections (2) to (4) do not apply, tax is not charged under this section in respect of whichever is the lower of the following amounts—
For the purposes of this section the trustees shall be treated as making a disposition if they omit to exercise a right (unless it is shown that the omission was not deliberate) and the disposition shall be treated as made at the time or latest time when they could have exercised the right.