Section 681H | Other interpretation provisions F1
From legislation.gov.uk
(1)This section applies for the purposes of this Chapter.
(2)“Adjusted net income” of a person for a tax year means the person's adjusted net income for that tax year as determined under section 58 of ITA 2007.
(3)“Week” means a period of 7 days beginning with a Monday; and a week is in a tax year if (and only if) the Monday with which it begins is in the tax year.