Section 7 Income charged

(1) Tax is charged under this Chapter on the full amount of the profits of the tax year.

(2) For this purpose the profits of a tax year are the profits of the basis period for the tax year.

(3) For the rules identifying the basis period for a tax year, see Chapter 15.

(4) This section is subject to Part 8 (foreign income: special rules).

(5) And, for the purposes of section 830 (meaning of “relevant foreign income”), the profits of a trade, profession or vocation arise from a source outside the United Kingdom only if the trade, profession or vocation is carried on wholly outside the United Kingdom.