Section, act June 27, 1952, ch. 477, title III, ch. 3, § 350,66 Stat. 269
, provided that an individual with dual nationality who voluntarily claims the benefits of the foreign state nationality loses his United States nationality by having continuous residence in the foreign state for 3 years after having attained 22 years of age unless prior to the 3 year period he takes an oath of allegiance to the United States, or his residence in the foreign state was for a reason specified in section
, (2), (4), (5), (6), (7), or (8) of this title or section
or (2) of this title.