(1)This section applies if—
(a)a person performs the duties of employment as a diver or diving supervisor in the United Kingdom or in any area designated by Order in Council under section 1(7) of the Continental Shelf Act 1964 (c. 29),
(b)the duties consist wholly or mainly of seabed diving activities, and
(c)any employment income from the employment would otherwise be chargeable to tax under Part 2 of ITEPA 2003.
(2)The performance of the duties of employment is instead treated for income tax purposes as the carrying on of a trade in the United Kingdom.
(3)For the purposes of this section the following are seabed diving activities—
(a)taking part as a diver in diving operations concerned with the exploration or exploitation of the seabed, its subsoil and their natural resources, and
(b)acting as a diving supervisor in relation to any such diving operations.