488 U.S. 361 (1989)
In 1984, Congress enacted the Sentencing Reform Act to address widespread criticisms that federal sentencing was a national scandal marked by unwarranted disparities and uncertainty.1 The legislation created the United States Sentencing Commission as an independent commission in the judicial branch consisting of seven voting members.2 The President appoints the members with the advice and consent of the Senate, and at least three members must be federal judges selected after consideration of recommendations from the Judicial Conference of the United States, while the Attorney General serves as an ex officio nonvoting member.3
Petitioner John M. Mistretta was indicted in the United States District Court for the Western District of Missouri on three counts centering on a cocaine sale.4 He pleaded guilty to one count of conspiracy to distribute cocaine.5 The district court sentenced him under the Guidelines to 18 months' imprisonment to be followed by a three-year term of supervised release, along with a $1,000 fine and a $50 assessment.6
Mistretta appealed his sentence to the United States Court of Appeals for the Eighth Circuit, challenging the constitutionality of the Sentencing Commission and the Guidelines. Both Mistretta and the United States petitioned the Supreme Court for certiorari before judgment in the Eighth Circuit.7 The Court granted the petitions because of the imperative public importance of the issue and the disarray among the federal district courts.8
Whether the Sentencing Reform Act of 1984 violates the separation of powers principle by placing the United States Sentencing Commission in the judicial branch and requiring Article III judges to serve on the Commission?9
The separation of powers principle permits Congress to locate an independent administrative body within the judicial branch and to require Article III judges to serve on it when the body's functions are appropriate to the judiciary's central mission, do not aggrandize judicial power or undermine its integrity, and when judges serve in individual rather than judicial capacities, consistent with historical practice of extrajudicial service.10
No. The Sentencing Reform Act creates the Commission as an independent body in the judicial branch charged with promulgating sentencing guidelines that bind federal judges.11 This function aligns with the judiciary's long-standing role in determining sentences within statutory ranges established by Congress.12 The Act requires at least three members to be federal judges chosen after consideration of Judicial Conference recommendations.13 These judges participate solely in their individual capacities as administrators rather than as representatives of the courts.14
Their service remains voluntary without any mechanism for conscription.15 Historical examples confirm that Article III judges have undertaken extrajudicial duties such as service on commissions without violating separation of powers.16 The President's appointment and limited removal authority for good cause does not extend to control over judicial functions or compensation.17 The Commission's placement and composition neither unite legislative and judicial power within the branch in a constitutionally meaningful way nor prevent the judiciary from performing its assigned tasks.18
The guidelines merely channel the sentencing discretion judges have always exercised.19
The Sentencing Reform Act of 1984 does not violate the separation of powers principle.20
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Justice Scalia dissents on the ground that the Commission exercises a purely legislative function by promulgating binding general rules that prescribe sentences for categories of offenses and offenders.21 A power that cannot be located in the judicial branch without blurring the constitutional separation of powers.22 He maintains that the Commission's work is divorced from any exercise of judicial power because it does not decide cases or controversies and is not subject to control by courts.23
This placement in the judicial branch creates an impermissible anomaly that facilitates excessive delegation.24 Scalia further contends that requiring Article III judges to participate in this policymaking compromises judicial independence and impartiality by enlisting them in quintessentially political work.25
Whether the Sentencing Reform Act of 1984 violates the nondelegation doctrine by delegating excessive legislative discretion to the United States Sentencing Commission?26
The nondelegation doctrine rooted in separation of powers allows Congress to delegate legislative authority to an agency when it lays down an intelligible principle to which the delegatee must conform, including by specifying the purposes to be achieved, the factors to be considered, and the boundaries of the delegated authority.27
No. Congress supplied the Commission with detailed directives that include the purposes of sentencing such as retribution, deterrence, incapacitation, and rehabilitation.28 Congress also specified seven specific factors for categorizing offenses and eleven factors for categorizing offenders.29 Additional constraints require that sentencing ranges ordinarily not exceed the minimum by more than twenty-five percent or six months while starting from average prior sentences.30 The guidelines remain subject to congressional review and modification, providing an additional check.31
The delegation is narrower than others previously upheld that employed broad standards such as public interest or fair and equitable prices.32 The Act's comprehensive statutory framework cabins the Commission's discretion in formulating guidelines for offenses like the cocaine conspiracy at issue.33 This ensures that the delegation meets the intelligible principle test rather than granting unfettered legislative power.34
The Sentencing Reform Act of 1984 does not violate the nondelegation doctrine.35
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Justice Scalia agrees that the Act provides an intelligible principle adequate to defeat a nondelegation challenge.36 He argues, however, that the fundamental constitutional defect lies in Congress's creation of an agency whose sole governmental function is the making of laws without any connection to the execution of laws or the adjudication of cases.37 Such a body cannot be reconciled with the constitutional structure because the power to make law belongs exclusively to Congress except when exercised in conjunction with executive or judicial power.38
Scalia emphasizes that the Commission's guidelines have the force of law and prescribe sentences for all federal offenders, yet the Commission operates independently of both the Executive and the Judiciary.39 This naked delegation of legislative authority, divorced from any legitimate ancillary function, violates the separation of powers irrespective of how detailed the statutory standards may be.40