Paragraph 10
If the matter is referred to the GAAR Advisory Panel, the Chair must arrange for a sub-panel consisting of 3 members of the GAAR Advisory Panel (one of whom may be the Chair) to consider it.
The sub-panel may invite the taxpayer or the designated HMRC officer (or both) to supply the sub-panel with further information within a period specified in the invitation.
Invitations must explain the effect of sub-paragraph (4) or (5) (as appropriate).
If the taxpayer supplies information to the sub-panel under this paragraph, the taxpayer must at the same time send a copy of the information to the designated HMRC officer.
If the designated HMRC officer supplies information to the sub-panel under this paragraph, the officer must at the same time send a copy of the information to the taxpayer.