Legal Sidebari  
Mashpee Wampanoag v. Bernhardt: A Tale of 
Two Definitions of “Indian”  
August 17, 2020 
On June 6, 2020, i
n Mashpee Wampanoag v. Bernhardt (
Mashpee), the U.S. District Court for the District 
of Columbia (D.C. District Court) gave the Mashpee Wampanoag Tribe (Tribe or Mashpee Tribe) another 
opportunity to retain reservation status for land in Taunton and Mashpee, Massachusetts, that the 
Department of the Interior (DOI) had taken into trust and declared eligible for gaming as an “initial 
reservation” in 2015. The agency’s Record of Decision to take the land into trust
 (2015 ROD) relied on 
DOI’s interpretation that the Mashpee Tribe met the second of alternative definitions of 
“Indian” in the 
Indian Reorganization Act (IRA), the principal statute providing DOI
 authority to take land into trust “for 
Indians.” In 2016, the U.S. District Court for Massachusetts (Massachuset s District Court) disagreed with 
DOI
, holding that the Tribe did not satisfy that definition.  
DOI then reviewed the land-into-trust application under the other IRA definition of “Indian,” and in 2018 
released a decision 
(2018 ROD) determining that the Tribe did not satisfy that definition either. 
Consequently, DOI rejected the Tribe’s application. The Tribe chal enged the 2018 ROD in the D.C. 
District Court. In the meantime, the Mashpee Tribe appealed the Massachusetts District Court decision, 
and the U.S. Court of Appeals for the First Circuit (First Circuit
) affirmed that decision in February 2020. 
DOI the
n began revoking trust and reservation status of the land. The Tribe added a motion to enjoin DOI 
from taking the land out of trust to its chal enge to the 2018 ROD in the D.C. District Court. In the June 6, 
2020 decision, the D.C. District Cour
t held that the 2018 ROD was “arbitrary and capricious” under the 
Administrative Procedure Act (APA), remanded the decision to DOI for reconsideration, and temporarily 
enjoined DOI from taking the land out of trust. This Sidebar examines the two cases involving the Tribe’s 
trust acquisition application and their possible implications for Congress. It begins with an overview of 
the statutory process by which DOI may take land into trust, the Supreme Court’s interpretation of the 
IRA in 
Carcieri v. Salazar, and DOI’s post-
Carcieri guidance, which underpinned the Mashpee litigation. 
The IRA, Carcieri, and DOI’s Post-Carcieri  Guidance 
The IR
A authorizes DOI to take land into trust “for Indians.”  The statute provides two alternative 
definitions of the ter
m “Indian” at issue in this case: 
[1] all persons of Indian descent who are members of any recognized Indian tribe now under Federal 
jurisdiction, and 
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[2] all persons who are descendants of such members who were, on June 1, 1934, residing within 
the present boundaries of any Indian reservation. 
DOI acknowledged the Mashpee Tribe as an Indian tribe in accordance with the agency’
s administrative 
process and added it to DOI'
s list of federal y recognized tribes i
n 2007. However, in 2009, the Supreme 
Court, i
n Carcieri v. Salazar, held that, for DOI to take land into trust under the IRA, the tribe must have 
been “under Federal jurisdiction” 
in 1934. The 
Carcieri decision thus cast doubt on DOI’s authority to 
take land into trust for the Mashpee and other recently recognized tribes. 
In 2014, DOI established post-
Carcieri standards for determining whether a tribe was “under Federal 
jurisdiction” in 1934 through Solicitor’s Opini
on M-37029, The Meaning of “Under Federal 
Jurisdiction” for Purposes of the Indian Reorganization Act.” M-37029’s two-part tes
t required “a 
showing . . . that the United States has exercised its jurisdiction at some point prior to 1934 and that this 
jurisdictional status remained intact in 1934.” Subsequently, federal courts, including t
he D.C. Circuit and 
t
he Ninth Circuit, uphel
d M-37029’s process for evaluating whether a tribe was “under Federal 
jurisdiction” in 1934 and thus eligible  to have land taken into trust. However, while the D.C. District 
Court was considering the Mashpee Tribe’s appeal of DOI’s 2018 ROD, the agency, on March 9, 2020, 
withdrew M-37029 through the issuance of Solicitor’s Opini
on M-37055 based on the determination that 
M-37029 was “not consistent with the ordinary meaning, statutory context, legislative history, or 
contemporary administrative understanding” of the statutory text. The day after issuing the new 
Solicitor’s Opinion, DOI issued guidance establishing a more stringent test for determining whether a 
tribe is eligible  to have land taken into trust that requires, among other things, a tribe to have been both 
“under Federal jurisdiction” and 
“recognized” in 1934. 
First Circuit: Tribe Fails IRA’s Second Definition of  “Indian” 
In t
he 2015 ROD, DOI determined that the Mashpee Tri
be met the IRA’s second definition of “Indian” 
meaning that it was comprised of “descendants of such members who were, on June 1, 1934, residing 
within the present boundaries of any Indian reservation.” The ROD determined that the Tribe “resid[ed] 
within the boundaries of any Indian reservation” based on state and federal references to the Tribe’s 1934 
land as
 “a protected Indian settlement.” However the litigation focused on the ROD’s interpretation of the 
rest of the definition. The RO
D noted that the phrase “such members” in the second definition 
incorporates at least part of the statute’s first definition—“al  persons of Indian descent who are members 
of any recognized Indian tribe now under Federal jurisdiction.” However, the ROD
 found the statute 
ambiguous regarding which parts of the first definition “such members” incorporates. Based on a review 
of the legislative  and implementation history and upon applying canons of statutory interpretation, the 
ROD
 concluded that “‘such members’ . . .  was intended to incorporate only the phrase ‘members of any 
recognized Indian tribe’ and not the phrase ‘under federal jurisdiction’ in 1934.” Based on this 
interpretation, the ROD concluded that the Tribe met this part of the second definition because it only 
needed to be a “recognized Indian tribe” at the time of the trust acquisition, rather than in 1934.  
In 2016, the Massachusetts District Court, in 
a decision that the First Circui
t upheld, declared that DOI 
had exceeded its statutory authority when it took land into trust through t
he 2015 ROD because the Tribe 
did not meet the second definition of “Indian.” Both the district court and the First Circuit interpreted 
“such members” in the IRA’s second definition of “Indian” as unambiguously referring t
o “the entire 
antecedent phrase,”—meaning that only members of “any recognized Indian tribe . . . under Federal 
jurisdiction” 
in 1934 could qualify to have land taken into trust. 
  
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D.C. District Court: DOI Must Reconsider Tribe’s Eligibility Under the IRA’s First 
Definition of “Indian” 
T
he 2018 ROD stems from remand proceedings following the 2016 Massachusetts District Court 
decision. In the 2018 ROD, DOI considered and rejected the Tribe’s evidence that it qualified for trust 
acquisition under the IRA’s first definition of “Indian”—“al   persons of Indian descent who are members 
of any recognized Indian tribe now under Federal jurisdiction.” The 2018 RO
D considered: “specific 
Federal activities, including considering the Tribe for removal in the 1820s; Federal policy 
recommendations concerning Massachusetts tribes in the 1850s; mention of the Tribe on Federal censuses 
between 1850 and 1910; and t
he enrollment of Tribal students at the Carlisle Indian School in the early 
1900s. . . . [; and] references to the Tribe and its history in federal reports or studies prepared [in] 1888, 
1890 and 1935.” 
However, t
he D.C. District Court determined that the 2018 ROD misapplied M-37029’s two-part test 
because it disregarded the opinion’s instructions that “a variety of actions when viewed in concert may 
demonstrate that a tribe was under federal jurisdiction.” Instead, the cour
t viewed the 2018 ROD as 
“evaluating each piece of evidence in isolation.” The court als
o agreed with the Tribe “that some of the 
reasons that the Secretary provides in the 2018 ROD as to why the Mashpee’s evidence is insufficient 
reflects some of the new standards recently issued in [t
he M-37055 Solicitor’s Opinion],” rather than the 
applicable M-37029. Specifical y, the cour
t noted that M-37029 required treating evidence that tribal 
members attended BIA schools as “strong probative evidence that the Mashpee Tribe was under federal 
jurisdiction.
” According to the court, the 2018 ROD appeared to weigh this evidence less heavily, more 
in-line with new guidance’
s “stricter test,” which no longer treats tribal school attendance a
s presumptive 
evidence of federal recognition. The D.C. District Court, therefor
e, declared the 2018 ROD “arbitrary, 
capricious, and an abuse of discretion.” The DOI argued that the new guidance should govern the remand. 
Yet, the D.C. District Cour
t reasoned that “the Tribe has yet to receive an appropriate determination under 
the two-part test that the Department said it was applying.” It, therefore
, ordered DOI to issue a decision 
that conforms with the M-37029 “standard and the evidence permitted therein—and the Department’s 
prior decisions applying the M-Opinion’s two-part test.” 
Considerations for Congress 
While DOI decides how to respond to the D.C. District Court decision—either by appealing it or by 
reconsidering on remand the validity of the Tribe’s trust and reservation status, Congress may wish to 
examine DOI’s authority under the IRA, such as specifying a process of reversing trust status, amending 
the act’s definition of “Indian,” or addressing the Mashpee Tribe’s land-into-trust application directly. 
DOI’
s announcement of plans (sinc
e enjoined) to revoke trust status for the Mashpee Tribe’s land 
pursuant to the First Circuit’s order provoked at least one Native American organization t
o cal  on 
Congress to act. Currently there are several bil s addressing various aspects of this issue. Under a 2012 
Supreme Cour
t ruling, a federal court may order DOI to strip trust status from tribal land subsequently 
determined to have been taken into trust unlawfully. However, as a group of Members of Congress argued 
in a
n amicus brief they filed in 
Mashpee, no statute currently delegates general authority to DOI to take 
land out of trust. A bil   introduced in the 116th Congress
, H.R.7173, would enact a general temporary 
prohibition on any authority DOI may have to revoke trust or reservation status. Two bil s (discussed in 
an earlier
  Sidebar), H.R. 375, which passed the House on May 16, 2019, a
nd S. 2808, would enact what is 
commonly cal ed a “
Carcieri  fix," and open up the IRA  land-into-trust process to al  federal y recognized 
tribes, regardless of when that recognition occurred.  
Two measures that would specifical y address the Mashpee situation passed the House in the 116th 
Congress. One
, H. Amdt. 855 to H.R. 7608, would deny DOI funding to revoke trust status, reservation 
status, or gaming eligibility  for the Mashpee Tribe’s land, and the other
, H.R. 312, would ratify the
  
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Mashpee Tribe’s trust land and reservation status, dismiss the court cases, and declare the IRA applicable 
to the Tribe. House Natural Resources Committee Members file
d dissenting views on H.R. 312, voicing 
concern about an “off-reservation gaming complex” planned for the Taunton portion of the trust 
acquisition. Another bil   introduced this Congress
, S. 2628, would reaffirm the trust and reservation status 
of the Tribe’s land. 
 
Author Information 
 M. Maureen Murphy 
   
Legislative Attorney  
 
 
 
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