An officer of Revenue and Customs may give a written notice (a "protective GAAR notice") to a person stating that the officer considers—
The protective GAAR notice must be given within the ordinary assessing time limit applicable to the proposed adjustments.
But if—
the protective GAAR notice must instead be given no later than the time when the enquiry is completed.
The protective GAAR notice must—
The adjustments specified in the protective GAAR notice have effect as if they are made by virtue of section 209.
Notice of appeal may be given against the adjustments specified in the protective GAAR notice (whether or not the adjustments are also made otherwise than by virtue of section 209).
Any appeal against the specified adjustments (whether made by virtue of section 209 or otherwise) is, as a result of this subsection, stayed—
If, in the case of the specified adjustments (whether made by virtue of section 209 or otherwise)—
the protective GAAR notice has effect for all purposes (other than the purposes of section 212A) as if it had been given as a final GAAR counteraction notice (and, accordingly, as if the GAAR procedural requirements had been complied with).
In any case not falling within subsection (8)—