prevent aliens who are nationals of the state from returning to the state in safety, and inserting the Secretary of Homeland Security finds that extraordinary and temporary conditions in the foreign state make returning aliens to the state undesirable for humanitarian reasons, . XIV Miscellaneous provisions 1401. Naturalization provisions (a) Physical presence requirement Section 316 ( 8 U.S.C. 1427 ) is amended by adding at the end the following: (g) When warranted by extraordinary circumstances, the Secretary of Homeland Security may reduce, by not more than 90 days, the physical presence requirement described in the preceding sentence. . (b) Absences from the United States Section 316(b) ( 8 U.S.C. 1427(b) ) is amended— (1) in the first sentence, by striking one year and inserting 18 months