http://www.legislation.gov.uk/ukpga/2009/11/section/43Borders, Citizenship and Immigration Act 2009An Act to provide for customs functions to be exercisable by the Secretary of State, the Director of Border Revenue and officials designated by them; to make provision about the use and disclosure of customs information; to make provision for and in connection with the exercise of customs functions and functions relating to immigration, asylum or nationality; to make provision about citizenship and other nationality matters; to make further provision about immigration and asylum; and for connected purposes.texttext/xmlenStatute Law Database2026-04-27Expert Participation2026-04-01 Borders, Citizenship and Immigration Act 2009s. 54A(3A)(3B)Illegal Migration Act 2023s. 14s. 55(9)s. 68(1) Part 2 431Section 3 of the British Nationality Act 1981 (c. 61) (acquisition by registration: minors) is amended as follows.2In subsection (2), for “within the period of twelve months from the date of the birth” substitute “ while he is a minor ”.3Omit subsection (4).S. 43 in force at 13.1.2010 by S.I. 2009/2731, art. 4(b)