; and (B) the sentencing court, the United States attorney, and the Federal Public Defender or Executive Director of the Community Defender Organization for the judicial district in which the sentence described in subparagraph (A) was imposed. (2) Crime victims rights Upon receiving notice under paragraph (1), the United States attorney shall provide any notifications required under section 3771. (3) Application (A) In general An application for a sentence reduction under this section shall be filed as a motion to reduce the sentence of the defendant and may include affidavits or other written material. (B) Requirement A motion to reduce a sentence under this section shall be filed with the sentencing court and a copy shall be served on the United States attorney for the judicial district in which the sentence was imposed. (4) Expanding the record