"we are unable to collect the outstanding amount tax through your PAYE code as the amount is too large, we can possibly arrange a payment plan to collect this."
"an assessment under subsection (3) above is treated for the purposes of this Act as a self-assessment and as included in the return."
"(1) An appeal may be brought against: (a) [ not relevant] (b) any conclusion stated or amendments made by the closure notice sent under section 28B of this Act ... (c) [not relevant] (d) any assessment to tax which is not a self-assessment."
“(1) This regulation applies for the purpose of determining (a) [irrelevant in this appeal], and (b) the difference mentioned in section 59B (1) of TMA ... (2) For those purposes the amount of income tax deducted at source under these Regulations is the total net tax deducted during the relevant year ("A") after making any additions or subtractions as required by paragraphs (3) to (5). (3) Subtract from A any repayments which are made before the taxpayer's return and self-assessment is made ... (4) Add to A any overpayment of tax from the previous year ... (5) Add to A any tax treated as deducted, other than any direction tax, but -- (a) only if there would be an amount payable by the taxpayer under section 59B (1) of TMA on the assumption that there are no payments on account and no addition to A under this paragraph, and then (b) only to a maximum of that amount. (6) In this regulation -- "direction tax" means any amount of tax which is the subject of a direction made under regulations 72(5) or regulation 81(4) in relation to the taxpayer in respect of one or more tax periods falling within the relevant tax year; … "tax treated as deducted" means any tax which in relation to relevant payments made by an employer to the taxpayer in relevant year- (a) the employer was liable to deduct from payments but failed to do so ...”