“In calculating the profits of a trade, no deduction is allowed for- (a) Expenses not incurred wholly and exclusively for the purposes of the trade....."Taxes Management Act 1970 Section 12B (1) and (2) states: “ (1) Any person who may be required.....to make and deliver a return for a year of assessment.... shall- (a) Keep all such records as may be requisite for the purpose of enabling him to make and deliver a correct and complete return for the year or period; and (b) Preserve those records until the end of the relevant day....mentioned in Sub-section (2) below...... (2) (a) in the case of a person carrying on a trade, profession or business alone...., the fifth anniversary of the 31 st January next following the year of assessment or (as the case may be) the sixth anniversary of the end of the period.”
“(1) An enquiry ....is completed when an officer of the Board by notice informs the taxpayer that he has completed his enquiries and states his conclusion (2) A closure notice must either – (a) State that in the officer's opinion no amendment of the return is required, or (b) Make the amendments of the return required to give effect to his conclusions.”
“If an officer of the Board discovers .....As regards any person (a) That any income which ought to have been assessed to income tax have not been assessed, or (b) That an assessment to tax is or has become insufficient The officer.....may.....make an assessment in the amount, or the further amount, which ought in his opinion to be charged in order to make good to the Crown the loss of the tax.”
“(1) A penalty is payable by a person (P) where- (a) P gives HMRC a document of a kind listed in the table below, and (b) Condition 1 and 2 are satisfied. (2) Condition 1 is that the document contains an inaccuracy which amounts to, or leads to - (a) An understatement of liability to tax (3) Condition 2 is that the inaccuracy was careless.....”
“95 (1) Where a person fraudulently or negligently – (a) delivers any incorrect return of a kind mentioned in [section 8 or 8A of this Act (or either of those sections] as extended by section 12 of this Act …), or (b) makes any incorrect return, statement or declaration in connection with any claim for any allowance, deduction or relief in respect of income tax or capital gains tax, or (c) submits to an Inspector or the Board or any Commissioners any incorrect accounts in connection with the ascertainment of his liability to income tax or capital gains tax, he shall be liable to a penalty not exceeding [the amount of the difference specified in subsection (2) below.] (2) The difference is that between - (a) the amount of income tax and capital gains tax payable for the relevant years of assessment by the said person (including any amount of income tax deducted at source and not repayable), and (b) the amount which would have been the amount so payable if the return, statement, declaration or accounts as made or submitted by him had been correct. (3) The relevant years of assessment for the purposes of this section are, in relation to anything delivered, made or submitted in any year of assessment, that, the next following, and any preceding year of assessment; …”