TY - DATA AU - Doyle,Charles ED - Library of Congress. TI - Federal mandatory minimum sentences: the safety valve and substantial assistance exceptions T2 - Report / Congressional Research Service PY - 2018///?]- CY - [Washington, D.C.] PB - Congressional Research Service KW - Sentences (Criminal procedure) KW - Government policy KW - United States KW - Mandatory sentences KW - Criminal justice, Administration of KW - Narcotic laws KW - Extenuating circumstances N1 - The CRS report home page provides access to all versions published since 2018 in accordance with P.L. 115-141; earliest version dated 2015; CRDP Program record; Report includes bibliographical references UR - https://purl.fdlp.gov/GPO/gpo117507 ER -