“(1) The costs of and incidental to— 35 (a) all proceedings in the First-tier Tribunal, and (b) all proceedings in the Upper Tribunal, shall be in the discretion of the Tribunal in which the proceedings take place. (2) The relevant Tribunal shall have full power to determine by whom and to what extent the costs are to be paid. 40 (3) Subsections (1) and (2) have effect subject to Tribunal Procedure Rules. (4) In any proceedings mentioned in subsection (1), the relevant Tribunal may— (a) disallow, or (b) (as the case may be) order the legal or other representative concerned to meet, the whole of any wasted costs or such part of them as may be determined in 5 accordance with Tribunal Procedure Rules. (5) In subsection (4) ‘wasted costs’ means any costs incurred by a party— (a) as a result of any improper, unreasonable or negligent act or omission on the part of any legal or other representative or any employee of such a representative, or 10 (b) which, in the light of any such act or omission occurring after they were incurred, the relevant Tribunal considers it is unreasonable to expect that party to pay. (6) In this section ‘legal or other representative’, in relation to a party to proceedings, means any person exercising a right of audience or right to 15 conduct the proceedings on his behalf. (7) In the application of this section in relation to Scotland, any reference in this section to costs is to be read as a reference to expenses.”
“(1) The Tribunal may only make an order in respect of costs (or, in Scotland, expenses)— (a) under section 29(4) of the 2007 Act (wasted costs); (b) if the Tribunal considers that a party or their representative has acted unreasonably in bringing, defending or conducting the proceedings; (c) if— 5 (i) the proceedings have been allocated as a Complex case under rule 23 (allocation of cases to categories); and (ii) the taxpayer (or, where more than one party is a taxpayer, one of them) has not sent or delivered a written request to the Tribunal, within 28 days of receiving notice that the 10 case had been allocated as a Complex case, that the proceedings be excluded from potential liability for costs or expenses under this sub-paragraph…. (2) The Tribunal may make an order under paragraph (1) on an application or of its own initiative.… 15 (8) In this rule ‘taxpayer’ means a party who is liable to pay, or has paid, the tax, duty, levy or penalty to which the proceedings relate or part of such tax, duty, levy or penalty, or whose liability to do so is in issue in the proceedings.”