United States Court of Appeals
                            FOR THE EIGHTH CIRCUIT
                                    ___________

                                    No. 08-3414
                                    ___________

United States of America,                *
                                         *
             Appellee,                   *
                                         * Appeal from the United States
      v.                                 * District Court for the
                                         * Northern District of Iowa.
Paula Rae Bates,                         *
                                         * [UNPUBLISHED]
             Appellant.                  *
                                    ___________

                              Submitted: May 14, 2009
                                 Filed: August 31, 2009
                                  ___________

Before RILEY, SMITH, and COLLOTON, Circuit Judges.
                            ___________

PER CURIAM.

       Paula Rae Bates pled guilty to conspiracy to distribute 500 grams or more of
methamphetamine after having previously been convicted of a felony drug offense,
in violation of 21 U.S.C. §§ 841(a)(1), (b)(1)(A), and 846. At sentencing, the district
court calculated an advisory guideline sentence of 240 months’ imprisonment, which
was also the statutory minimum sentence. See 21 U.S.C. § 841(b)(1)(A). The
government made substantial assistance motions under USSG § 5K1.1 and 18 U.S.C.
§ 3553(e), thus authorizing the district court to sentence Bates below the statutory
minimum, and the district court imposed a sentence of 150 months’ imprisonment.
      In explaining its decision, the district court stated as follows:

      I don’t believe the substantial assistance in this case was extraordinary,
      and that’s why I didn’t give a 50 percent reduction. However, if the
      United States Court of Appeals for the Eighth Circuit believes that [Gall
      v. United States, 

(2007),] alters the requirement that in
      order to have a 50 percent reduction it has to be extraordinary, based on
      the defendant’s substantial assistance and my evaluation of the 5K1.1
      factors, I would give a 50 percent reduction in this case if I wasn’t
      required to follow existing Eighth Circuit law.

      So I’m kind of making an alternative holding that if there is no
      extraordinary requirement, I think the substantial assistance in this case
      easily would justify a 50 percent reduction. So I would have gone down
      to 120 months.

Bates appeals her sentence, arguing that the district court erroneously thought it did
not have authority to impose a lower sentence absent “extraordinary” substantial
assistance.

      The government contends that we lack jurisdiction over this appeal, because
ordinarily we lack jurisdiction to consider a defendant’s challenge to the extent of a
downward departure for substantial assistance. See United States v. Pepper, 

, 964 (8th Cir. 2009). We may, however, review a district court’s “erroneous
determination that it lacked authority to impose a particular sentence.” United States
v. Robinson, 

, 878 (8th Cir. 2008) (internal quotation omitted); see also
United States v. Johnson, 

, 1023 (8th Cir. 2008). The essence of
Bates’s contention on appeal is that the district court erroneously believed that it
lacked authority to make a further reduction in sentence. We have jurisdiction to
consider that claim.




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      While this appeal was pending, the en banc court held in United States v. Burns
(Burns III), Nos. 04-2901, -2933, 

(8th Cir. Aug. 20, 2009) (en
banc), that “the standard of appellate review laid down in Gall applies to our review
of a sentence imposed under the provisions of 18 U.S.C. § 3553(e).” 

, at *6. The court therefore abandoned our prior approach to the review of
sentence reductions under § 3553(e), and held that a court of appeals must “put[] aside
all notions of exceptional/extraordinary circumstances, departure percentages,
proportionality review, and similar data-based standards of review.” 

      The district court’s comments at sentencing make clear that it felt constrained
by the law then prevailing in this circuit. Given the appellate review described in
Burns III, it is evident that the district court made its ruling based on what is now an
incorrect legal premise, and that a sentencing court’s authority to reduce sentences is
now greater than what the district court believed. We therefore vacate Bates’s
sentence and remand for resentencing.
                          ______________________________




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