How? Since it applies to: "U.S. government employees and members of the U.S. armed forces who are employed or stationed outside the United States"
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In red, above:
Policy Update at a Glance
The updates to the USCIS Policy Manual, Volume 12, Citizenship and Naturalization, and Part H, Children of U.S. Citizens:
Clarify that temporary visits to the U.S. do not establish U.S. residence;
It's still about children born outside the country. That sentence doesn't change that.