# British Nationality Act 1981, Section 13: Resumption.


(1) Subject to subsection (2), a person who has ceased to be a British citizen as a result of a declaration of renunciation shall be entitled, on an application for his registration as a British citizen, to be registered as such a citizen if—
(a) he is of full capacity; and
(b) his renunciation of British citizenship was necessary to enable him to retain or acquire some other citizenship or nationality.
(2) A person shall not be entitled to registration under subsection (1) on more than one occasion.
(3) If a person of full capacity who has ceased to be a British citizen as a result of a declaration of renunciation (for whatever reason made) makes an application for his registration as such a citizen, the Secretary of State may, if he thinks fit, cause him to be registered as such a citizen.
(4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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Source: https://www.legislation.gov.uk/ukpga/1981/61/section/13 (the official version)
Page: https://openlegislation.uk/british-nationality-act-1981/section-13
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.