The Yale Law Journal

March 2015

Methodological Stare Decisis and Intersystemic Statutory Interpretation in the Choice-of-Law Context

When a state court determines that it must apply the statute of a sister state, what statutory interpretation methodology should the court use to interpret that statute? Is the forum court free to apply its own rules of statutory construction, or should it apply those of the sister state?

This question of interpretive methodology is particularly significant because many states give law-like status to methodology through legislated rules of interpretation1 and judicial interpretive frameworks2—a practice that scholars have termed “methodological stare decisis.”3 Commentators have focused on courts’ interpretations of their own state’s statutes, but an emerging area of scholarship analyzes statutory interpretation methodology from an “intersystemic” perspective. Abbe Gluck has examined how state and federal courts apply one another’s interpretive methodologies when interpreting one another’s statutes,4 and Nicholas McLean has recently considered the status of foreign interpretive methodologies in federal court cases construing foreign statutes.5 Intersystemic statutory interpretation in the interstate choice-of-law context, however, remains unexplored. The choice-of-law literature has also neglected this issue, focusing almost exclusively on the question of what substantive law to apply rather than the question of how to apply it.6

This Comment introduces an intersystemic analysis of statutory interpretation in multistate cases and offers the first examination of current practices among state courts. Part I provides background on choice-of-law principles and demonstrates that they do not provide guidance to courts on how to construe sister state statutes. Part II examines cases in which state courts interpret sister state statutes and argues that current practices are inconsistent and doctrinally unmoored. Part III argues that current ad hoc practices undermine the policies underlying choice-of-law doctrines and that courts should instead apply the interpretive methodology of the sister state whose statute is being construed.

I. the lack of interpretive guidance in choice-of-law principles

State courts routinely apply the statutes of other states.7 While the forum court generally applies its own procedural rules—such as those concerning the admissibility of evidence8 and competency of witnesses9—choice-of-law principles determine what substantive law governs the case: that of the forum state or a sister state.10

As a preliminary matter, it should be noted that statutory interpretation methodology defies categorization as simply a procedural device to be governed by forum law. Unlike procedural rules that regulate the method of presenting facts to the court11 and facilitate adjudication,12 interpretive methodology is deeply tied to statutory meaning. Because statutes are merely “strings of words,” statutory meaning is not inherent in the text but instead is derived from the interaction of the text and the interpretive process.13 A state’s underlying interpretive framework therefore has an inherently substantive foundation as it is “intimately bound up with” the legal right created by a statute.14 Accordingly, a closer examination of choice-of-law doctrines concerning substantive law is necessary to understand how statutory interpretation methodology functions in multistate cases.

States have adopted a wide variety of choice-of-law methodologies to select the applicable substantive law in multistate cases. Despite this multiplicity of approaches, however, they all derive from two fundamental types of choice-of-law analysis—the traditional approach and modern interest analysis.15 The key differences between these two theories arise from their normative grounding; while the traditional approach provides principles for deciding among competing laws that are external to either state’s substantive law, the modern interest analysis resolves choice-of-law problems by analyzing the competing laws themselves.16 The traditional approach aims to provide a set of independent jurisdiction-selecting rules to determine the applicable law for specific categories of legal issues.17 For example, the “internal affairs doctrine” instructs courts to apply the law of the state of incorporation in lawsuits involving corporate governance, regardless of the content of the potentially applicable laws.18 In contrast, modern interest analysis determines the applicable law by examining the content of and policies motivating each potentially applicable law.19 Under interest analysis, a court should ascertain the policies underlying the competing laws through the “familiar” process of statutory construction and decide whether each state has a legitimate interest in asserting its policy given the facts of the case at hand.20 Some states have adopted either the traditional or modern approach in its entirety.21 Most states, however, have developed choice-of-law methodologies that incorporate some of the traditional jurisdiction-selecting principles while also considering the policies of the competing rules of decision.22

The traditional and modern choice-of-law approaches offer courts guidance in selecting the applicable substantive law, but both are silent on how courts should apply that statute and decipher its meaning. Choice-of-law theory stipulates that the forum’s lawmaking power is limited, because it cannot overrule a sister state court’s determination of its own law;23 a puzzle emerges, however, when the forum confronts a statutory interpretation question that the sister state courts have not yet addressed. There is no traditional jurisdiction-selecting rule for statutory interpretation methodology, perhaps due to an assumption that there is not much of a choice to be made at all.24 Similarly, even though interest analysis refers to statutory construction, it describes the process as inherently “ad hoc,”25 leaving courts without meaningful direction in how to select an interpretive methodology.

This lack of interpretive guidance is particularly significant as many states have varying approaches to statutory interpretation methodology. While some cases are clear, such that the statute will yield the same result regardless of rules of construction, methodological choice can alter the outcomes in other cases.26 For example, Ohio construes remedial statutes liberally,27 but Michigan uses this canon only as a last resort, even where a statute is ambiguous.28 Therefore, in a torts case involving parties and events in Michigan and Ohio, the forum court’s choice of rules of statutory construction could significantly impact the way in which the court interprets the statute. As a result, although Michigan and Ohio choice-of-law principles could select the same torts statute, the result of the case may be different depending on whether the court adopts Michigan or Ohio rules of construction.

II. current practices in interpreting sister state law

Without guidance from choice-of-law principles, state courts applying sister-state statutes use inconsistent interpretive practices. Many courts consciously adopt the interpretive methodology of the state whose statute is being applied.29 For example, in Magee v. Huppin-Fleck,30 an Illinois appellate court construed an Oregon statute under the Oregon Supreme Court’s formalistic interpretive regime, known as the PGE framework.31 Instead of applying the Illinois Supreme Court’s interpretive principles, the Magee court supported each step of its analysis with citations to the three-step, tiered PGE framework.32 Other courts simply use their own methodologies to construe the statutes of sister states without reference to the sister states’ interpretive practices.33 Still other courts, recognizing similarities between forum-state and sister-state approaches to statutory construction, have cited both states’ interpretive methodologies.34 And a few courts seemingly dodge the choice of interpretive methodology altogether simply by presuming similarity to forum state law when confronted with unsettled or unclear interpretations of sister state statutes.35

Even courts within the same state have adopted conflicting approaches. For example, the Connecticut Supreme Court cited its own precedents and legislative code of interpretation in construing a Delaware statute,36 while a Connecticut appellate court used Maine’s rules of construction to interpret a Maine statute.37 Furthermore, a Connecticut trial court recently concluded that the issue of which rules of construction apply in interpreting sister state statutes is a “matter of first impression,”38 highlighting the doctrinal incoherence and confusion.

As these examples demonstrate, the practice of methodological choice in interpreting sister state statutes remains doctrinally unmoored. Furthermore, methodological choice in interpreting sister state statutes suffers from conceptual looseness, as courts rarely justify their selection of interpretive frameworks. Instead, many courts construing the statutes of other states simply apply their own methodologies,39 those of the sister state,40 or both,41 without explaining or citing authorities to support that choice. The court’s analysis in Autonation, Inc. v. Thomas A. Moorehead, Inc. is typical: after concluding that Virginia substantive law applied, the Texas court reasoned it should “look to Virginia law on statutory construction” but cited no authorities to justify this methodological choice.42 As a result, it is unclear whether, and to what extent, choice-of-law principles guided these courts’ methodological decisions in construing sister state statutes.

The courts that have attempted to justify their methodological choices offer unsatisfying explanations. One court adopted sister state methodology as the most relevant means for “ascertaining substance,”43 and another reasoned that applying a different interpretive methodology would be “illogical.”44 These courts, however, largely fail to identify the sources of these vague notions and do not offer supporting authorities.45 It therefore remains unclear which principles guide courts’ choice of methodology in construing sister state statutes.

III. intersystemic statutory interpretation from a choice-of-law perspective

Current ad hoc practices are at odds with the principles underlying choice-of-law systems; because current practices are doctrinally unmoored, courts presented with conflicting rules of construction are seemingly free to select the methodology according to personal predilections without justification.46 Given the substantive nature of interpretive methodology and the close relationship between the interpretive process and statutory meaning, courts should, at the very least, provide explicit justification for their choice of interpretive methodology. Accounting for methodological choice within the choice-of-law analysis would not only increase transparency concerning the court’s reasoning, but would also provide a rational basis for the court’s adoption of a framework that would help guide future interpreters.

What is the proper role of statutory interpretation methodologies in choice-of-law doctrines? Abbe Gluck’s recent study of intersystemic statutory interpretation in the federal-state context47 is instructive, but not readily transferable, as different considerations animate choice-of-law principles in the state-state context.48 Accordingly, we must engage with the choice-of-law principles providing for the application of sister state law to understand how statutory interpretation methodology functions in multistate cases. Generalizations concerning both statutory interpretation and choice of law in all fifty states are inherently difficult,49 so resolving the proper role of interpretive methodology in choice of law ultimately depends on state-specific factors. At a general level, however, the normative and doctrinal underpinnings of choice-of-law theories suggest that courts should adopt sister state methodologies when interpreting statutes of that state—or, at the very least, more explicitly justify decisions to pair sister state statutory text with the forum state’s principles of statutory interpretation.

Directing the forum court to apply the interpretive methodology of the sister state whose statute is being construed would be most consistent with choice-of-law principles. A state’s underlying interpretive regime is an integral part of statutory meaning, guiding interpreters in issues such as discerning the legal consequences of grammatical structures in statutory text,50 deciding which types of extrinsic sources have legal effect51 and whether, and to what extent, courts can consider substantive norms in deciding statutory questions.52 Furthermore, in many ways, a state’s interpretive principles themselves demonstrate normative policies and values. Substantive canons of interpretation most clearly represent policy preferences, as virtually all are based on larger norms and values. One critic has called them “dice-loading rules.”53 More broadly, many interpretive principles reflect “public values,” or larger norms and principles drawn from evolving statutory policy and the common law.54 As a result, a forum court that construes a sister state statute under its own interpretive regime risks undermining that state’s statute as the rule of decision and instead asserts its own lawmaking power.

The policies underlying choice-of-law principles further militate in favor of construing sister state statutes with that state’s interpretive principles. Although choice-of-law theory has varied over time and across jurisdictions, “[u]niformity of results, regardless of forum, has always been a major goal in choice-of-law theory.”55 State interpretive methodologies are diverse, rendering the forum’s choice of interpretive framework potentially outcome-determinative.56 Interpreting a statute under the same principles of construction regardless of forum would thus help ensure uniformity of result for litigants. This approach may not provide complete uniformity, because even applying the rules of construction requires normative judgments57 and because precisely defining a state’s statutory interpretation methodology could be challenging in some cases.58 The results, however, would be more uniform than if each court continued to determine interpretive methodology in an ad hoc manner.

This approach is also consistent with interest analysis and its focus on legislative intent. By grounding the choice-of-law inquiry in analysis of the policies underlying substantive laws, interest analysis is thus premised on the normative goal of furthering legislative intent and purpose.59 Judicial interpretive methodology is arguably linked to legislative intent in states where legislators draft statutes against the backdrop of formalistic interpretive regimes and precedential rules of construction.60 Furthermore, although this is not conclusive evidence, the fact that many drafting manuals used by state legislative drafting offices contain the state’s rules of interpretation61 suggests a link between the state’s interpretive methodology and legislative intent. In contrast, applying another state’s methodology or simply presuming similarity to forum law entirely divorces methodological choice from legislative expectations about how a statute will be construed.


This Comment has aimed to introduce the question of methodological selection in choice-of-law cases and provide the first intersystemic analysis of statutory interpretation in multistate cases. This analysis is significant not only in contributing to the growing literature concerning statutory interpretation at the state level but also in shining light on a gap in choice-of-law theory and doctrine. Examining the intersection between choice-of-law doctrine and statutory interpretation methodology reveals that the issue is poorly understood from both a practical and a theoretical perspective. Resolving the status of statutory interpretation methodology in choice-of-law doctrines is necessary to provide theoretical coherence and offer practical guidance to courts determining how to resolve multistate cases. Although state-specific considerations must be accounted for in practice, at a general level, applying sister state interpretive methodology when interpreting sister state statutes would best enable state courts to advance the values underlying choice-of-law principles.