; (B) U.S. Customs and Border Protection; and (C) the Office of Immigration Litigation of the Department of Justice. (2) Effect of shifting prosecutorial functions If the law enforcement or prosecutorial functions of the agencies or offices referred to in subparagraphs (A) through (C) of paragraph (1) on the date of the enactment of this Act are performed by different agencies or offices in a future fiscal year, the Office of Management and Budget shall use the amount appropriated for those functions in calculating the prosecution-defense ratio under paragraph (1).