132.-Place of performance, and meaning of emoluments received in the U.K.

(1) Where a person ordinarily performs the whole or part of the duties of his office or employment in the United Kingdom, then, for the purposes of Cases I and II of Schedule E, his emoluments for any period of absence from the office or employment shall be treated as emoluments for duties performed in the United Kingdom, except in so far as [they would, but for that absence³] have been emoluments for duties performed outside the United Kingdom.
(2) Where an office or employment is in substance one the duties of which fall in the chargeable period to be performed outside the United Kingdom, then, for the purposes of Cases I and II of Schedule E, there shall be treated as so performed any duties performed in the United Kingdom the performance of which is merely incidental to the performance of the other duties outside the United Kingdom.
(3)
Subsection (2) above shall not be construed as affecting any question under section [192A⁴] or paragraph 3 of Schedule 12 as to where any duties are performed or whether a person is absent from the United Kingdom.
(4)
For the purposes of Cases I and II of Schedule E, but subject to section 194(7) and paragraph 5 of Schedule 12, the following duties shall be treated as performed in the United Kingdom, namely-

(a) the duties of any office or employment under the Crown which is of a public nature and the emoluments of which are payable out of the public revenue of the United Kingdom or of Northern Ireland⁵; and
(b) any duties which a person performs on a vessel engaged on a voyage not extending to a port outside the United Kingdom, or which a person resident in the United Kingdom performs on a vessel or aircraft engaged on a voyage or journey beginning or ending in the United Kingdom or on a part beginning or ending in the United Kingdom of any other voyage or journey.

(5)
For the purposes of Case III of Schedule E, emoluments shall be treated as received in the United Kingdom if they are paid, used or enjoyed in, or in any manner or form transmitted or brought to, the United Kingdom, and subsections (6) to (9) of section 65 shall apply for the purposes of this subsection as they apply for the purposes of subsection (5) of that section.