8 U.S.C. § 1431 (ALIENS AND NATIONALITY)
§ 1431. Children born outside the United States and residing permanently in the United States; conditions under which citizenship automatically acquired
(a) A child born outside of the United States automatically becomes a citizen of the United States when all of the following conditions have been fulfilled:
(1) At least one parent of the child is a citizen of the United States, whether by birth or naturalization.
(2) The child is under the age of eighteen years.
(3) The child is residing in the United States in the legal and physical custody of the citizen parent pursuant to a lawful admission for permanent residence.
(b) Subsection (a) of this section shall apply to a child adopted by a United States citizen parent if the child satisfies the requirements applicable to adopted children under section 1101(b)(1) of this title.
(June 27, 1952, ch. 477, title III, ch. 2, § 320, 66 Stat. 245; Pub. L. 95–417, § 4, Oct. 5, 1978, 92 Stat. 917; Pub. L. 97–116, § 18(m), Dec. 29, 1981, 95 Stat. 1620; Pub. L. 99–653, § 14, Nov. 14, 1986, 100 Stat. 3657; Pub. L. 100–525, §§ 8(l), 9(w), Oct. 24, 1988, 102 Stat. 2618, 2621; Pub. L. 106–395, title I, § 101(a), Oct. 30, 2000, 114 Stat. 1631.)
heading: Amendments
text: 2000—Pub. L. 106–395 amended section catchline and text generally. Prior to amendment, text read as follows:
“(a) A child born outside of the United States, one of whose parents at the time of the child’s birth was an alien and the other of whose parents then was and never thereafter ceased to be a citizen of the United States, shall, if such alien parent is naturalized, become a citizen of the United States, when—
“(1) such naturalization takes place while such child is unmarried and under the age of eighteen years; and
“(2) such child is residing in the United States pursuant to a lawful admission for permanent residence at the time of naturalization or thereafter and begins to reside permanently in the United States while under the age of eighteen years.
“(b) Subsection (a) of this section shall apply to an adopted child only if the child is residing in the United States at the time of naturalization of such adoptive parent, in the custody of his adoptive parents, pursuant to a lawful admission for permanent residence.”
1988—Subsec. (a)(1). Pub. L. 100–525, § 8(l), repealed Pub. L. 99–653, § 14. See 1986 Amendment note below.
Subsec. (b). Pub. L. 100–525, § 9(w), substituted “Subsection (a)” for “Subsection (a)(1)”.
1986—Subsec. (a)(1). Pub. L. 99–653, § 14, which inserted “unmarried and” after “such child is”, was repealed by Pub. L. 100–525, § 8(l).
1981—Subsec. (b). Pub. L. 97–116 substituted “an adopted child only if the child” for “a child adopted while under the age of sixteen years who”.
1978—Subsec. (a). Pub. L. 95–417 substituted in pars. (1) and (2) “eighteen years” for “sixteen years”.
Subsec. (b). Pub. L. 95–417 substituted provisions making subsec. (a)(1) of this section applicable to adopted children for provisions making subsec. (a) of this section inapplicable to adopted children.
heading: Effective Date of 2000 Amendment
text: Pub. L. 106–395, title I, § 104, Oct. 30, 2000, 114 Stat. 1633, provided that: “The amendments made by this title [amending this section and section 1433 of this title and repealing section 1432 of this title] shall take effect 120 days after the date of the enactment of this Act [Oct. 30, 2000] and shall apply to individuals who satisfy the requirements of section 320 or 322 of the Immigration and Nationality Act [8 U.S.C. 1431, 1433], as in effect on such effective date.”
heading: Effective Date of 1988 Amendment
text: Amendment by section 8(l) of Pub. L. 100–525 effective as if included in the enactment of the Immigration and Nationality Act Amendments of 1986, Pub. L. 99–653, see section 309(b)(15) of Pub. L. 102–232, set out as an Effective and Termination Dates of 1988 Amendments note under section 1101 of this title.
heading: Effective Date of 1981 Amendment
text: Amendment by Pub. L. 97–116 effective Dec. 29, 1981, see section 21(a) of Pub. L. 97–116, set out as a note under section 1101 of this title.