Taxes Management Act 1970

13 Persons in receipt of taxable income belonging to others

(1) Every person who, in whatever capacity, is in receipt of any money or value, or of any profits or gains from any of the sources mentioned in the Income Tax Acts, of or belonging to another person who is chargeable to income tax in respect thereof, or who would be so chargeable if he were resident in the United Kingdom and not an incapacitated person, shall, whenever required to do so by a notice given to him by an inspector, prepare and deliver, within the time mentioned in the notice, a return in the prescribed form, signed by him, containing—

(a) a statement of all such money, value, profits or gains, and

(b) the name and address of every person to whom the same belong, and

(c) a declaration whether every such person is of full age, or is a married woman, or is resident in the United Kingdom or is an incapacitated person.

(2) If any person described above is acting jointly with any other person, he shall, in like manner, deliver a return of the names and addresses of all persons joined with him at the time of delivery of the return mentioned in subsection (1) above.