Learning Resources, Inc. v. Trump · ¶390

A “contemporaneous and long-held Executive Branch interpretation of a statute is entitled to some weight.” West Virginia, 597 U. S., at 747 (Gorsuch, J., concurring) (quotation marks omitted). Just “as established practice may shed light on the extent of power conveyed by general statutory language, so the want of assertion of power by those who presumably would be alert to exercise it, is equally significant in determining whether such power was actually conferred.” Id., at 725 (majority opinion) (quotation marks omitted).

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