“Current proceedings 6. Any current proceedings are to continue on and after the commencement date as proceedings before the tribunal. 7.—(1) This paragraph applies to current proceedings that are continued before the tribunal by virtue of paragraph 6. ……. (3) The tribunal may give any direction to ensure that proceedings are dealt with fairly and justly and, in particular, may— (a)apply any provision in procedural rules which applied to the proceedings before the commencement date; or (b)disapply any provision of Tribunal Procedure Rules. (4) In sub-paragraph (3) “procedural rules” means any provision (whether called rules or not) regulating practice or procedure before an existing tribunal. ……. (7) An order for costs may only be made if, and to the extent that, an order could have been made before the commencement date (on the assumption, in the case of costs actually incurred after that date, that they had been incurred before that date).”
“there is a second policy which is to provide certainty about the applicable costs regime at an early stage of the proceedings. There is, of course, a reason for this second policy apart from merely putting the parties into a position so that they know where they are. If a taxpayer was able to exercise his right of election at a late stage, or even until the result of the appeal was known, he would be able to elect for the regime which he knew was the more favourable to him; this would amount, effectively, to one-way costs shifting which was obviously never intended…”