“(1) Where a person has failed to make any returns required under this Act (or under any provision repealed by this Act) or to keep any documents and afford the facilities necessary to verify such returns or where it appears to the Commissioners that such returns are incomplete or incorrect, they may assess the amount of VAT due from him to the best of their judgment and notify it to him… (4) Where a person is assessed under subsections (1) and (2) above in respect of the same prescribed accounting period the assessments may be combined and notified to him as one assessment… (6) An assessment under subsection (1), (2) or (3) above of an amount of VAT due for any prescribed accounting period must be made within the time limits provided for in section 77 and shall not be made after the later of the following— (a) 2 years after the end of the prescribed accounting period; or (b) one year after evidence of facts, sufficient in the opinion of the Commissioners to justify the making of the assessment, comes to their knowledge, but (subject to that section) where further such evidence comes to the Commissioners' knowledge after the making of an assessment under subsection (1), (2) or (3) above, another assessment may be made under that subsection, in addition to any earlier assessment… (9) Where an amount has been assessed and notified to any person under subsection (1), (2), (3)[, (7), (7A) or (7B)] above it shall, subject to the provisions of this Act as to appeals, be deemed to be an amount of VAT due from him and may be recovered accordingly, unless, or except to the extent that, the assessment has subsequently been withdrawn or reduced.”
“(1) Subject to the following provisions of this section, an assessment under section 73 , 75 or 76, shall not be made— (a) more than [4 years] after the end of the prescribed accounting period…”
“[(1)] Subject to [sections 83G and 84], an appeal shall lie to [the tribunal] with respect to any of the following matters— … (p) an assessment— (i) under section 73(1) or (2) in respect of a period for which the appellant has made a return under this Act; or or the amount of such an assessment…”
“[(1) If an officer of the Board or the Board discover, as regards any person (the taxpayer) and a year of assessment— (a) that any income which ought to have been assessed to income tax, or chargeable gains which ought to have been assessed to capital gains tax, have not been assessed, or (b) that an assessment to tax is or has become insufficient, or (c) that any relief which has been given is or has become excessive, the officer or, as the case may be, the Board may, subject to subsections (2) and (3) below, make an assessment in the amount, or the further amount, which ought in his or their opinion to be charged in order to make good to the Crown the loss of tax. (2) Where— (a) the taxpayer has made and delivered a return under section 8 or 8A of this Act in respect of the relevant year of assessment, and (b) the situation mentioned in subsection (1) above is attributable to an error or mistake in the return as to the basis on which his liability ought to have been computed, the taxpayer shall not be assessed under that subsection in respect of the year of assessment there mentioned if the return was in fact made on the basis or in accordance with the practice generally prevailing at the time when it was made [(or, where the error or mistake is in an end of period statement forming part of the return, if that statement was provided on the basis of or in accordance with the practice generally prevailing at the time when it was provided)]. (3) Where the taxpayer has made and delivered a return under section 8 or 8A of this Act in respect of the relevant year of assessment, he shall not be assessed under subsection (1) above— (a) in respect of the year of assessment mentioned in that subsection; and (b) . . .in the same capacity as that in which he made and delivered the return, unless one of the two conditions mentioned below is fulfilled. (4) The first condition is that the situation mentioned in subsection (1) above was brought about carelessly or deliberately by the taxpayer or a person acting on his behalf. (5) The second condition is that at the time when an officer of the Board— (a) ceased to be entitled to give notice of his intention to enquire into the taxpayer's return under section 8 or 8A of this Act in respect of the relevant year of assessment; or [(b) in a case where a notice of enquiry into the return was given— (i) issued a partial closure notice as regards a matter to which the situation mentioned in subsection (1) above relates, or (ii) if no such partial closure notice was issued, issued a final closure notice,] the officer could not have been reasonably expected, on the basis of the information made available to him before that time, to be aware of the situation mentioned in subsection (1) above. (6) For the purposes of subsection (5) above, information is made available to an officer of the Board if— (a) it is contained in the taxpayer's return under section 8 or 8A of this Act in respect of the relevant year of assessment (the return), or in any accounts, statements or documents accompanying the return; [(aa) it is contained in any information provided by the taxpayer to HMRC under regulations under paragraph 7 of Schedule A1 (periodic updates);] (b) it is contained in any claim made as regards the relevant year of assessment by the taxpayer acting in the same capacity as that in which he made the return, or in any accounts, statements or documents accompanying any such claim; (c) it is contained in any documents, accounts or particulars which, for the purposes of any enquiries into the return or any such claim by an officer of the Board, are produced or furnished by the taxpayer to the officer. . .; or (d) it is information the existence of which, and the relevance of which as regards the situation mentioned in subsection (1) above— (i) could reasonably be expected to be inferred by an officer of the Board from information falling within paragraphs (a) to (c) above; or (ii) are notified in writing by the taxpayer to an officer of the Board. (7) In subsection (6) above— (a) any reference to the taxpayer's return under section 8 or 8A of this Act in respect of the relevant year of assessment includes— (i) a reference to any return of his under that section for either of the two immediately preceding chargeable periods; . . . (ii) where the return is under section 8 and the taxpayer carries on a trade, profession or business in partnership, a reference to any partnership return with respect to the partnership for the relevant year of assessment or either of those periods; and (b) any reference in paragraphs (b) to (d) to the taxpayer includes a reference to a person acting on his behalf. (7A) The requirement to fulfil one of the two conditions mentioned above does not apply so far as regards any income or chargeable gains of the taxpayer in relation to which the taxpayer has been given, after any enquiries have been completed into the taxpayer's return, a notice under section 81(2) of TIOPA 2010 (notice to counteract scheme or arrangement designed to increase double taxation relief). (8) An objection to the making of an assessment under this section on the ground that neither of the two conditions mentioned above is fulfilled shall not be made otherwise than on an appeal against the assessment. (9) Any reference in this section to the relevant year of assessment is a reference to— (a) in the case of the situation mentioned in paragraph (a) or (b) of subsection (1) above, the year of assessment mentioned in that subsection; and (b) in the case of the situation mentioned in paragraph (c) of that subsection, the year of assessment in respect of which the claim was made.”
“(1) Subject to the following provisions of this Act, and to any other provisions of the Taxes Acts allowing a longer period in any particular class of case, [an assessment to income tax or capital gains tax may be made at any time [not more than 4 years after the end of] the year of assessment to which it relates.]… (2) An objection to the making of any assessment on the ground that the time limit for making it has expired shall only be made on an appeal against the assessment. [(3) In this section “assessment” does not include a self-assessment.]”
“[[(1) An assessment on a person in a case involving a loss of income tax or capital gains tax brought about carelessly by the person may be made at any time not more than 6 years after the end of the year of assessment to which it relates (subject to subsection (1A) and any other provision of the Taxes Acts allowing a longer period). (1A) An assessment on a person in a case involving a loss of income tax or capital gains tax — (a) brought about deliberately by the person, (b) attributable to a failure by the person to comply with an obligation under section 7, . . . (c) attributable to arrangements in respect of which the person has failed to comply with an obligation under section 309, 310 or 313 of theFinance Act 2004 (obligation of parties to tax avoidance schemes to provide information to Her Majesty's Revenue and Customs), [or (d) attributable to arrangements which were expected to give rise to a tax advantage in respect of which the person was under an obligation to notify the Commissioners for Her Majesty's Revenue and Customs undersection 253 of the Finance Act 2014 (duty to notify Commissioners of promoter reference number) but failed to do so,] may be made at any time not more than 20 years after the end of the year of assessment to which it relates (subject to any provision of the Taxes Acts allowing a longer period). (1B) In subsections (1) and (1A), references to a loss brought about by the person who is the subject of the assessment include a loss brought about by another person acting on behalf of that person.] [(2) [Where the person mentioned in subsection (1) or (1A) (“the person in default”)] carried on a trade, profession or business with one or more other persons at any time in the period for which the assessment is made, an assessment in respect of the profits or gains of the trade, profession or business [in a case] mentioned in [subsection (1A) or (1B)] may be made not only on the person in default but also on his partner or any of his partners.] (3) If the person on whom the assessment is made so requires, in determining the amount of the tax to be charged for any chargeable period in any assessment made [in a case] mentioned in subsection (1) [or (1A)] above, effect shall be given to any relief or allowance to which he would have been entitled for that chargeable period on a claim or application made within the time allowed by the Taxes Acts. [(3A) In subsection (3) above, “claim or application” does not include an election under . . . [. . . any of sections 47 to 49 of ITA 2007] [(tax reductions for married couples and civil partners: elections to transfer relief)] [. . .].] [(4) Any act or omission such as is mentioned in section 98B below on the part of a grouping (as defined in that section) or member of a grouping shall be deemed for the purposes of [subsections (1) and (1A)] above to be the act or omission of each member of the grouping.]]”
“[(6) If, on an appeal notified to the tribunal, the tribunal decides— (a) that, . . ., the appellant is overcharged by a self-assessment; (b) that, . . ., any amounts contained in a partnership statement are excessive; or (c) that the appellant is overcharged by an assessment other than a self-assessment, the assessment or amounts shall be reduced accordingly, but otherwise the assessment or statement shall stand good. (7) If, on an appeal notified to the tribunal, the tribunal decides— (a) that the appellant is undercharged to tax by a self-assessment . . .; (b) that any amounts contained in a partnership statement . . . are insufficient; or (c) that the appellant is undercharged by an assessment other than a self-assessment, the assessment or amounts shall be increased accordingly.] [(7A) [If, on an appeal notified to the tribunal, the tribunal decides] that a claim or election [which was the subject of a decision contained in a closure notice under section 28A] of this Act should have been allowed or disallowed to an extent different from that specified in the notice, the claim or election shall be allowed or disallowed accordingly to the extent that [the tribunal decides is] appropriate, but otherwise the decision in the notice shall stand good.] [(8) Where, on an appeal [notified to the tribunal] against an assessment [(other than a self-assessment)] which— (a) assesses an amount which is chargeable to tax, and (b) charges tax on the amount assessed, [the tribunal decides] as mentioned in subsection (6) or (7) above, [the tribunal may], unless the circumstances of the case otherwise require, reduce or, as the case may be, increase only the amount assessed; and where any appeal [notified to the tribunal] is so determined the tax charged by the assessment shall be taken to have been reduced or increased accordingly.] [(9) Where any amounts contained in a partnership statement are reduced under subsection (6) above or increased under subsection (7) above, an officer of the Board shall by notice to each of the relevant partners amend— [(a) the partner's return under section 8 or 8A of this Act, or] (b) the partner's company tax return, so as to give effect to the reductions or increases of those amounts.] [(10) Where an appeal is notified to the tribunal, the decision of the tribunal on the appeal is final and conclusive. (11) But subsection (10) is subject to— (a) sections 9 to 14 of the TCEA 2007, (b) Tribunal Procedure Rules, and (c) the Taxes Acts.]”
“(1) Inaccuracy in a document given by P to HMRC is— (a) “careless” if the inaccuracy is due to failure by P to take reasonable care, (b) “deliberate but not concealed” if the inaccuracy is deliberate but P does not make arrangements to conceal it, and (c) “deliberate and concealed” if the inaccuracy is deliberate and P makes arrangements to conceal it (for example, by submitting false evidence in support of an inaccurate figure). (2) An inaccuracy in a document given by P to HMRC, which was neither careless nor deliberate when the document was given, is to be treated as careless if P— (a) discovered the inaccuracy at some later time, and (b) did not take reasonable steps to inform HMRC.”
“4 Standard amount (1) The penalty payable under paragraph 1 is— (a) for careless action, 30% of the potential lost revenue, (b) for deliberate but not concealed action, 70% of the potential lost revenue, and (c) for deliberate and concealed action, 100% of the potential lost revenue. (2) The penalty payable under paragraph 2 is 30% of the potential lost revenue. (3) Paragraphs 5 to 8 define “potential lost revenue”. 5 Potential lost revenue: normal rule (1) “The potential lost revenue” in respect of an inaccuracy in a document or a failure to notify an under-assessment is the additional amount due or payable in respect of tax as a result of correcting the inaccuracy or assessment. 9 Reductions for disclosure (1) A person discloses an inaccuracy or a failure to disclose an under- assessment by— (a) telling HMRC about it, (b) giving HMRC reasonable help in quantifying the inaccuracy or under-assessment, and (c) allowing HMRC access to records for the purpose of ensuring that the inaccuracy or under-assessment is fully corrected. (2) Disclosure— (a) is “unprompted” if made at a time when the person making it has no reason to believe that HMRC have discovered or are about to discover the inaccuracy or under-assessment, and (b) otherwise, is “prompted”. (3) In relation to disclosure “quality” includes timing, nature and extent. 10 (1) Where a person who would otherwise be liable to a 30% penalty has made an unprompted disclosure, HMRC shall reduce the 30% to a percentage (which may be 0%) which reflects the quality of the disclosure. (2) Where a person who would otherwise be liable to a 30% penalty has made a prompted disclosure, HMRC shall reduce the 30% to a percentage, not below 15%, which reflects the quality of the disclosure. (3) Where a person who would otherwise be liable to a 70% penalty has made an unprompted disclosure, HMRC shall reduce the 70% to a percentage, not below 20%, which reflects the quality of the disclosure. (4) Where a person who would otherwise be liable to a 70% penalty has made a prompted disclosure, HMRC shall reduce the 70% to a percentage, not below 35%, which reflects the quality of the disclosure. (5) Where a person who would otherwise be liable to a 100% penalty has made an unprompted disclosure, HMRC shall reduce the 100% to a percentage, not below 30%, which reflects the quality of the disclosure. (6) Where a person who would otherwise be liable to a 100% penalty has made a prompted disclosure, HMRC shall reduce the 100% to a percentage, not below 50%, which reflects the quality of the disclosure. 11 Special reduction (1) If they think it right because of special circumstances, HMRC may reduce a penalty under paragraph 1 or 2. (2) In sub-paragraph (1) “special circumstances” does not include— (a) ability to pay, or (b) the fact that a potential loss of revenue from one taxpayer is balanced by a potential over-payment by another. (3) In sub-paragraph (1) the reference to reducing a penalty includes a reference to— (a) staying a penalty, and (b) agreeing a compromise in relation to proceedings for a penalty.”