8 U.S.C. § 1489
Nothing in this subchapter shall be applied in contravention of the provisions of any treaty or convention to which the United States is a party and which has been ratified by the Senate before : Provided, however, That no woman who was a national of the United States shall be deemed to have lost her nationality solely by reason of her marriage to an alien on or after , or to an alien racially ineligible to citizenship on or after , or, in the case of a woman who was a United States citizen at birth, through residence abroad following such marriage, notwithstanding the provisions of any existing treaty or convention.
(June 27, 1952, ch. 477, title III, ch. 3, § 357, 66 Stat. 272; Pub. L. 100–525, § 9(ii), , 102 Stat. 2622.)
1988—Pub. L. 100–525 substituted “before ” for “upon the effective date of this subchapter”.