10
authority, thereby protecting the separation of powers.
72
In this sense, the doctrine operates just
like other clear-statement rules that protect important constitutional interests like state
sovereignty, state and federal sovereign immunity, Indian treaty rights, the powers of the federal
courts, or the protection against retroactive laws.
73
This rule does not forbid Congress from
conferring on agencies the power to make rules of vast economic and political significance;
rather, to protect the separation of powers from an accidental or thoughtless breach, the rule
requires Congress to state its intention to confer that power clearly and unambiguously.
74
Second, the doctrine may be understood as the “context” against which a statutory
delegation is enacted, and therefore “a tool for discerning—not departing from—the text’s most
natural interpretation.”
75
On this understanding, the doctrine is not a substantive rule it all.
Rather, it forms part of the backdrop against which Congress enacts statutes conferring authority
on administrative agencies.
76
Here, common sense—informed by constitutional structure—tells
us that “Congress normally ‘intends to make major policy decisions itself, not leave those
decisions to agencies.’”
77
The presumption that Congress reserves the answers to major policy
questions for itself “makes eminent sense in light of our constitutional structure, which is itself
part of the legal context framing any delegation.”
78
At bottom, this understanding of the major-
questions doctrine tells us that “in a system of separated powers, a reasonably informed
interpreter would expect Congress to legislate on ‘important subjects’ while delegating away
only ‘the details.’”
79
We therefore “should ‘typically greet’ an agency’s claim to ‘extravagant
statutory power’ with at least some ‘measure of skepticism.’”
80
72
See West Virginia, 597 U.S. at 737–40 (Gorsuch, J., concurring).
73
Gregory, 501 U.S. at 464 (state sovereignty); Pennhurst State Sch. & Hosp. v. Halderman, 465 U.S. 89, 99–100
(1984) (state sovereign immunity); United States v. Nordic Vill., Inc., 503 U.S. 30, 33, 35 (1992) (federal sovereign
immunity); South Dakota v. Bourland, 508 U.S. 679, 686–87 (1993) (Indian treaty rights); Chambers v. NASCO,
Inc., 501 U.S. 32, 47–-48 (1991) (inherent powers of the federal courts); Hughes Aircraft Co. v. United States ex rel.
Schumer, 520 U.S. 939, 946 (1997) (retroactive application). See also Amy Coney Barrett, Substantive Canons and
Faithful Agency, 90 B.U. L. Rev. 109, 118–19 (2010) (discussing a broad range of substantive canons of
construction and clear-statement rules); John F. Manning, Clear Statement Rules and the Constitution, 110 Colum.
L. Rev. 399, 402–04 (2010) (explaining that clear-statement rules “impose something of a clarity tax upon
legislative proceedings” that touch on sensitive constitutional values, thereby protecting those values by requiring
Congress to be particularly clear when it wishes to “sacrifice a specified constitutional value in pursuit of its
regulatory agenda”).
74
West Virginia, 597 U.S. at 736 (Gorsuch, J., concurring).
75
Nebraska, 143 S. Ct. at 2376 (Barrett, J., concurring).
76
Id. at 2388 (Barrett, J., concurring).
77
Id. at 2380 (Barrett, J., concurring) (quoting U.S. Telecom. Ass’n v. FCC, 855 F.3d 381, 419 (D.C. Cir. 2017)
(Kavanaugh, J., dissenting from denial of reh’g en banc)).
78
Ibid.
79
Id. at 2380–81 (Barrett, J., concurring) (quoting Wayman v. Southard, 23 U.S (10 Wheat.) 1, 43 (1825)).
80
Id. at 2381 (Barrett, J., concurring) (quoting Util. Air, 573 U.S. at 324).