; (2) in subsection (d)(1)(A)— (A) by striking ensure that and inserting the following: ensure— (i) that ; and (B) by adding at the end the following: (ii) that an application is filed under title I, if otherwise required, when a significant purpose of an acquisition authorized under subsection (a) is to acquire the communications of a particular, known person reasonably believed to be located in the United States; and ; (3) in subsection (g)(2)(A)(i)(I)— (A) by striking ensure that and inserting the following: ensure— (aa) that ; and (B) by adding at the end the following: (bb) that an application is filed under title I, if otherwise required, when a significant purpose of an acquisition authorized under subsection (a) is to acquire the communications of a particular, known person reasonably believed to be located in the United States; and ; and (4) in subsection (i)(2)(B)(i)— (A) by striking ensure that and inserting the following: ensure— (I) that ; and (B) by adding at the end the following: (II) that an application is filed under title I, if otherwise required, when a significant purpose of an acquisition authorized under subsection (a) is to acquire the communications of a particular, known person reasonably believed to be located in the United States; and . 4. Prohibition on acquisition, pursuant to certain FISA authorities to target certain persons outside the United States, of communications that do not include persons targeted under such authorities Section 702(b)(1) of the Foreign Intelligence Surveillance Act of 1978, as redesignated by section 2, is amended— (1) in subparagraph (D), as redesignated by section 2, by striking ; and and inserting a semicolon; (2) by redesignating subparagraph (E) as subparagraph (G); and (3) by inserting after subparagraph (D) the following: (E) may not acquire a communication as to which no participant is a person who is targeted pursuant to the authorized acquisition