failure to comply with Sec. 6, Title 8 U.S.C.A., Act of May 24, 1934, which required at least five years' residence in the United States previous to his eighteenth birthday, which means that he was required to become a resident of the United States prior to his thirteenth birthday. However, the 1934 Act was superseded by the Nationality Act of 1940, 8 U.S.C.A. § 601(g) and (h). The interpretation or meaning to be ascribed to paragraphs (g) and (h) is not entirely clear. Paragraph (g) provides: "A person born outside the United States and its outlying possessions of parents one of whom is a citizen of the United States who, prior to the birth of such person, has had ten years' residence in the United States or oneof its outlying possessions, at least five of which were after attaining the age of sixteen years, the other being an alien * * *." Admittedly, Lee You Fon, father of the plaintiffs, had not had ten years' residence in the United States; however, the paragraph contains the following proviso: "That, if the child has not taken up a residence in the United States or its outlying possessions by the time he reaches the age of sixteen years, or if he resides abroad for such a time that it becomes impossible for him to complete the five years' residence in the United States or its outlying possessions before reaching the age of twenty-one years, his American citizenship shall thereupon cease." We think by this proviso it was intended