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Jargon Buster


Income & Corporation Taxes Act 1988


Internal Dispute Resolution Procedure


Inheritance tax, mainly contained in the Inheritance Tax Act 1984.

IIP trust

An interest in possession trust (see also life interest trust): prior to FA 2006, creating an IIP trust was a PET and the life tenant was treated as owning the assets for IHT purposes. Since FA 2006, it is only possible to create an IIP trust during lifetime for certain specified beneficiaries (e.g. disabled).

Income drawdown

A concept under FA04, allowing money purchase scheme members to drawn income from their fund, leaving the rest invested.

Income tax

The tax on an individual or trust’s income, after taking into account any allowances, deductions or reliefs.

Indexation allowance

An allowance for CGT to take into account inflation, abolished for individuals by the introduction of the CGT taper relief (now in turn replaced by the flat rate of CGT).


A scheme where its design takes account of state pension benefits that will be payable.

Internal Dispute Resolution Procedure

Most occupational schemes are required to have in place an IDRP to resolve member disputes. The Pensions Ombudsman will expect this to have been used before complaints are taken further.


Dying without a will or testament, so the relevant laws of succession determine who inherits the estate.


An immediate post-death interest; introduced in FA 2006, allowing a testator to leave assets in his/her will to someone who is then treated as owning the assets in the IPDI trust for IHT purposes (like a pre-FA 2006 IIP trust).


Income Tax (Earnings & Pensions) Act 2003


What constitutes benefit?

In the case of Chapman vs Chapman [1954] the court found that it had no inherent jurisdiction to approve a variation of trusts for minor, unborn or unascertained beneficiaries just on the ground that the variation was for their benefit. The position was changed by the Variation of Trusts Act 1958 (the 1958 Act).

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