“[ Claim for relief for overpaid tax etc 34 (1) This paragraph applies where— (a) a person has paid an amount by way of tax but believes that the tax was not due, or (b) … (2) The person may make a claim to the Commissioners for Her Majesty's Revenue and Customs for repayment or discharge of the amount. (3) Paragraph 34A makes provision about cases in which the Commissioners for Her Majesty's Revenue and Customs are not liable to give effect to a claim under this paragraph…. Cases in which Commissioners not liable to give effect to a claim 34A (1) The Commissioners for Her Majesty's Revenue and Customs are not liable to give effect to a claim under paragraph 34 if or to the extent that the claim falls within a case described in this paragraph. (2) Case A is where the amount paid, or liable to be paid, is excessive by reason of— (a) a mistake in a claim or election, or (b) a mistake consisting of making or giving, or failing to make or give, a claim or election. (3) … (4) Case C is where the claimant— (a) could have sought relief by taking such steps within a period that has now expired, and (b) knew, or ought reasonably to have known, before the end of that period that such relief was available….”
“Giving effect to claims and amendments 6 (1) As soon as practicable after a claim is made, … the Inland Revenue shall give effect to the claim or amendment by discharge or repayment of tax. (2) Where the Inland Revenue enquire into a claim or amendment— (a) sub-paragraph (1) does not apply until a closure notice is given under paragraph 11 (completion of enquiry), and then it applies subject to paragraph 13 (giving effect to amendments under paragraph 11), …”
“48. I have found that no claim for overpayment relief was made but I also consider that even if a specific claim for overpayment of SDLT had been made in relation to the claim for multiple dwellings relief that the legislation is clear that HMRC would not be liable to give effect to that claim. This follows logically; it would be inconsistent with the aims of the legislation if a twelve month time limit could circumvented simply by describing a claim for relief as a claim for a refund of an overpayment.”
“i) The court must consider whether the claimant has a 'realistic' as opposed to a "fanciful” prospect of success: Swain v Hillman[2001] 1 All ER 91 ii) A 'realistic' claim is one that carries some degree of conviction. This means a claim that is more than merely arguable: ED & F Man Liquid Products v Patel[2003] EWCA Civ 472 at [8] iii) In reaching its conclusion the court must not conduct a 'mini-trial': Swain v Hillman….”