If there are tax arrangements that are abusive, the tax advantages that would (ignoring this Part) arise from the arrangements are to be counteracted by the making of adjustments.
The adjustments required to be made to counteract the tax advantages are such as are just and reasonable.
The adjustments may be made in respect of the tax in question or any other tax to which the general anti-abuse rule applies.
The adjustments that may be made include those that impose or increase a liability to tax in any case where (ignoring this Part) there would be no liability or a smaller liability, and tax is to be charged in accordance with any such adjustment.
Any adjustments required to be made under this section (whether by an officer of Revenue and Customs or anyone else) may be made by way of an assessment, the modification of an assessment, amendment or disallowance of a claim, or otherwise.
But—
The provision made by this subsection needs to be read with sections 209AA to 209AC and has no effect on adjustments so far as made otherwise than by virtue of this section.
The procedural requirements mentioned in subsection (6)(a) include any procedural requirements which apply under or by virtue of Schedule 43D (which makes provision in relation to partnerships).
Any adjustments made under this section have effect for all purposes.
Where a matter is referred to the GAAR Advisory Panel under paragraph 5 or 6 of Schedule 43 in relation to any tax arrangements, no GAAR-related adjustments may be made in the period ("the closed period") that—
Where a pooling notice or notice of binding has been given in relation to any tax arrangements, no GAAR-related adjustments may be made in the period ("the closed period") that—
In this section "GAAR-related adjustments" means—