Longstanding Agency Interpretations

87 Pages Posted: 6 Mar 2013 Last revised: 25 Jul 2017

Date Written: May 28, 2014


How much deference — or what kind — should courts give to longstanding agency interpretations of statutes? Surprisingly, courts and scholars lack a coherent answer to this question. Legal scholars long have assumed that longstanding agency statutory interpretations are treated with heightened deference on judicial review, and federal courts sometimes have made statements suggesting that this is the case. But in practice, federal court review of longstanding agency interpretations — at both the Court of Appeals and the U.S. Supreme Court levels — turns out to be surprisingly erratic. Reviewing courts sometimes note the longevity of an agency’s statutory interpretation as a plus factor in their deference analysis, but at other times completely ignore or dismiss an agency interpretation’s longevity. Moreover, judicial rhetoric about the relevance of longevity in the review of agency statutory interpretations is inconsistent from case to case.

What makes this doctrinal incoherence particularly remarkable is that courts usually care much more about the predictability of statutory interpretations and about upsetting settled institutional practices. In fact, in two analogous contexts — judicial interpretations of statutes and historical executive branch practice in the constitutional arena — courts accord strong precedential effect, or a presumption of correctness, to established legal constructions. This Article provides the first detailed study of federal court treatment of longstanding agency statutory interpretations — illuminating doctrinal inconsistencies and examining longevity-related factors that both favor and disfavor deference. The Article also compares federal courts’ chaotic treatment of longstanding agency statutory interpretations with the precedential effect that courts give to longstanding judicial interpretations of statutes and the historical “gloss” effect that courts give to past executive practice in constitutional interpretation. Ultimately, the Article argues that longstanding agency interpretations of statutes are at least as deserving of heightened judicial deference and that, at a minimum, federal courts’ disparate treatment of such interpretations — without acknowledging or justifying the distinction — is troubling. The Article advocates that longstanding agency interpretations should be entitled to precedential effect by reviewing courts and outlines how such an approach might work.

Suggested Citation

Krishnakumar, Anita S., Longstanding Agency Interpretations (May 28, 2014). Fordham Law Review, Volume 83, Issue 4, St. John's Legal Studies Research Paper Series, 14-0006, Available at SSRN: https://ssrn.com/abstract=2224066 or http://dx.doi.org/10.2139/ssrn.2224066

Anita S. Krishnakumar (Contact Author)

Georgetown University Law Center ( email )

600 New Jersey Avenue, NW
Washington, DC 20001
United States

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