“4(1) In the employment income Parts “employment” includes in particular – (a) any employment under a contract of service (b) any employment under a contract of apprenticeship, and (d) any employment in the service of the crown ” 4(2) In those Parts “employed”, “employee” and “employer” have corresponding meanings.”
“712(1 ) In this Part – “ employee” means a person who holds or has held employment with another person. “employer” means- (a) in relation to an employee, a person with whom the employee holds or has held an employment, and (b) in relation to any PAYE income of an employee, the person who is the employer of the employee in relation to the employment in respect of which the income is or was provided, or, as the case may be, by reference to which it falls to be regarded as PAYE income”
“683(1) For the purposes of this Act and any other enactment (whenever passed) “PAYE income” for a tax year consists of- (a) any PAYE employment income for the year (b).................”
“ 80(2) HMRC may determine the amount of tax to the best of their judgment, and serve notice of their determination on the employer ”