; . (b) Cancellation of removal Paragraph (4) of section 240A(c) of the Immigration and Nationality Act ( 8 U.S.C. 1229b(c)(4) ) is amended— (1) by striking inadmissible under and inserting described in ; and (2) by striking deportable under and inserting described in . (c) Restriction on removal (1) In general Subparagraph (A) of section 241(b)(3) of the Immigration and Nationality Act ( 8 U.S.C. 1231(b)(3)(A) ) is amended— (A) by inserting or the Secretary after Attorney General both places that term appears; (B) by striking Notwithstanding and inserting the following: (i) In general Notwithstanding ; and (C) by adding at the end the following: (ii) Burden of proof The alien has the burden of proof to establish that the alien’s life or freedom would be threatened in such country, and that race, religion, nationality, membership in a particular social group, or political opinion would be at least one central reason for such threat. . (2) Exception Subparagraph (B) of section 241(b)(3) of the Immigration and Nationality Act ( 8 U.S.C. 1231(b)(3)(B) ) is amended— (A) by inserting or the Secretary of Homeland Security after Attorney General both places that term appears; (B) in clause (iii), striking or at the end; (C) in clause (iv), striking the period at the end and inserting ; or ; (D) inserting after clause (iv) the following: (v) the alien is described in section 212(a)(3)(B)(i) or section 212(a)(3)(F), unless, in the case of an alien described in subclause (IX) of section 212(a)(3)(B)(i), the Secretary of Homeland Security or the Attorney General determines, in his or her sole and unreviewable discretion, that there are not reasonable grounds for regarding the alien as a danger to the security of the United States; (vi) the alien is convicted of an aggravated felony. ; and (E) by striking the undesignated matter at the end of the subparagraph (B). (3) Sustaining burden of proof