“ 401 Application of this Chapter (1) This Chapter applies to payments and other benefits which are received directly or indirectly in consideration or in consequence of, or otherwise in connection with— (a) the termination of a person's employment, (b) a change in the duties of a person's employment, or (c) a change in the earnings from a person's employment, by the person, or the person's spouse or civil partner, blood relative, dependant or personal representatives. … (3) This Chapter does not apply to any payment or other benefit chargeable to income tax apart from this Chapter. (4) For the purposes of this Chapter— (a) a payment or other benefit which is provided on behalf of, or to the order of, the employee or former employee is treated as received by the employee or former employee, and (b) in relation to a payment or other benefit— (i) any reference to the employee or former employee is to the person mentioned in subsection (1), and (ii) any reference to the employer or former employer is to be read accordingly.”
“ 403 Charge on payment or other benefit (1) The amount of a payment or benefit to which this Chapter applies counts as employment income of the employee or former employee for the relevant tax year if and to the extent that it exceeds the£30,000 threshold. (2) In this section “the relevant tax year” means the tax year in which the payment or other benefit is received. … (4) For the purposes of this Chapter the amount of a payment or benefit in respect of an employee or former employee exceeds the£30,000 threshold if and to the extent that, when it is aggregated with other such payments or benefits to which this Chapter applies, it exceeds£30,000 according to the rules in section 404 (how the£30,000 threshold applies). …”
“ 409 Exception for payments and benefits in respect of employee liabilities and indemnity insurance (1) This Chapter does not apply to a payment or other benefit received by an individual if or to the extent that— (a) in the case of a cash benefit, it is provided for meeting the cost of a deductible amount, or (b) in the case of a non-cash benefit, it is or represents a benefit equivalent to the cost of paying a deductible amount. (2) For the purposes of this section “deductible amount” means an amount which meets conditions A to C. (3) Condition A is that the amount is paid by the individual. (4) Condition B is that a deduction for the amount would have been allowed under section 346 from earnings from the relevant employment, if the individual still held the employment when the amount was paid. (5) Condition C is that the amount is paid at a time which falls within the run-off period. (6) In this section and section 410— “relevant employment” means the employment mentioned in section 401(1); “run-off period” means the period which— (a) starts with the day on which the relevant employment terminated, and (b) ends with the last day of the sixth tax year following the tax year in which the period started.”
“ 346 Deduction for employee liabilities (1) A deduction from earnings from an employment is allowed for any or all of the following— A Payment in or towards the discharge of a liability related to the employment. B Payment of any costs or expenses incurred in connection with— (a) a claim that the employee is subject to a liability related to the employment, or (b) proceedings relating to or arising out of a claim that the employee is subject to a liability related to the employment. … (2) But a deduction is not allowed for a payment which falls within paragraph A or B if it would be unlawful for the employer to enter into a contract of insurance in respect of the liability, or costs or expenses, in question. (2A) Nor is a deduction allowed for a payment which falls within paragraph A, B or C if the payment is made in pursuance of arrangements the main purpose, or one of the main purposes, of which is the avoidance of tax. …”
“ 348 Liabilities related to the employment For the purposes of this Chapter each of the following kinds of liability is related to the employment— A Liability imposed upon the employee because he did an act, or failed to do an act— (a) in his capacity as holder of the employment, or (b) in any other capacity in which he acted in the performance of the duties of the employment.”