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Statutory interpretation is the process by which courts interpret and apply legislation. Some amount of interpretation is often necessary when a case involves a statute. Sometimes the words of a statute have a plain and straightforward meaning. But in many cases, there is some ambiguity or vagueness in the words of the statute that must be resolved by the judge. To find the meanings of statutes, judges use various tools and methods of statutory interpretation, including traditional canons of statutory interpretation, legislative history, and purpose. In common law jurisdictions, the judiciary may apply rules of statutory interpretation both to legislation enacted by the legislature and to delegated legislation such as administrative agency regulations.
Statutory interpretation first became significant in common law systems, of which England is the exemplar. In Roman and Civil law, a statute (or code) guides the magistrate, but there is no judicial precedent. In England, Parliament historically failed to enact a comprehensive code of legislation, which is why it was left to the courts to develop the common law; and having decided a case and given reasons for the decision, the decision would become binding on later courts.
Accordingly, a particular interpretation of a statute would also become binding, and it became necessary to introduce a consistent framework for statutory interpretation. In the construction (interpretation) of statutes, the principle aim of the court must be to carry out the "Intention of Parliament", and the English courts developed three main rules (plus some minor ones) to assist them in the task. These were: the mischief rule, the literal rule, and the golden rule.
Statutes may be presumed to incorporate certain components, as Parliament is "presumed" to have intended their inclusion. For example:
- Offences defined in criminal statutes are presumed to require mens rea (a guilty intention by the accused), Sweet v Parsley.
- A statute is presumed to make no changes in the common law.
- A statute is presumed not to remove an individual's liberty, vested rights, or property.
- A statute is presumed not to apply to the Crown.
- A statute is presumed not to apply retrospectively (whereas the common law is "declaratory", Shaw v DPP).
- A statute is to be interpreted so as to uphold international treaties; and any statutory provision which contravene EC treaties are effectively void, Factortame.
- It is presumed that a statute will be interpreted eiusdem generis, so that words are to be construed in sympathy with their immediate context.
Where legislation and case law are in conflict, there is a presumption that legislation takes precedence insofar as there is any inconsistency. In the United Kingdom this principle is known as parliamentary sovereignty; but while Parliament has exclusive jurisdiction to legislate, the courts (mindful of their historic role of having developed the entire system of common law) retain sole jurisdiction to interpret statutes.
The age old process of application of the enacted law has led to formulation of certain rules of interpretation. According to CROSS, "Interpretation is the process by which the courts determine the meaning of a statutory provision for the purpose of applying it to the situation before them." While SALMOND says that, "the process by which the courts seek to ascertain the meaning of the legislature through the medium of authoritative forms in which it is expressed". Interpretation of a particular statute depends upon the degree of creativity applied by the judges or the court in the reading of it, employed to achieve some stated end. A statute can be interpreted by using the Golden Rule, the Mischief Rule or the Literal Rule.
Intention of the LegislatureEdit
A statute is an edict of the legislature and the conventional way of interpreting a statute is to seek the 'intention' of its maker. It is the judicature's duty to act upon the true intention of the legislature or the mens or sentential legis. The courts have to objectively determine the interpretation with guidance furnished by the accepted principles. If a statutory provision is open to more than one interpretation the court has to choose that interpretation which represents the true intention of the legislature. the function of the courts is only to expound and not to legislate.
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The judiciary interprets how legislation should apply in a particular case as no legislation unambiguously and specifically addresses all matters. Legislation may contain uncertainties for a variety of reasons:
- Words are imperfect symbols to communicate intent. They are ambiguous and change in meaning over time. The word 'let' used to mean 'prevent' or 'hinder' and now means 'allow'. 
- Unforeseen situations are inevitable, and new technologies and cultures make application of existing laws difficult. (e.g. does the use of a new cloning technique create an embryo within the meaning of statute enacted when embryos could only be created by fertilisation?)
- Uncertainties may be added to the statute in the course of enactment, such as the need for compromise or catering to special interest groups.
Therefore, the court must try to determine how a statute should be enforced. This requires statutory construction. It is a tenet of statutory construction that the legislature is supreme (assuming constitutionality) when creating law and that the court is merely an interpreter of the law. Nevertheless, in practice, by performing the construction the court can make sweeping changes in the operation of the law.
Statutory interpretation refers to the process by which a court looks at a statute and determines what it means. A statute, which is a bill or law passed by the legislature, imposes obligations and rules on the people. Statutes, however, although they make the law, may be open to interpretation and have ambiguities. Statutory interpretation is the process of resolving those ambiguities and deciding how a particular bill or law will apply in a particular case.
Assume, for example, that a statute mandates that all motor vehicles travelling on a public roadway must be registered with the Department of Motor Vehicles (DMV). If the statute does not define the term "motor vehicles", then that term will have to be interpreted if questions arise in a court of law. A person driving a motorcycle might be pulled over and the police may try to fine him if his motorcycle is not registered with the DMV. If that individual argued to the court that a motorcycle is not a "motor vehicle," then the court would have to interpret the statute to determine what the legislature meant by "motor vehicle" and whether or not the motorcycle fell within that definition and was covered by the statute.
There are numerous rules of statutory interpretation. The first and most important rule is the rule dealing with the statute's plain language. This rule essentially states that the statute means what it says. If, for example, the statute says "motor vehicles", then the court is most likely to construe that the legislation is referring to the broad range of motorised vehicles normally required to travel along roadways and not "aeroplanes" or "bicycles" even though aeroplanes are vehicles propelled by a motor and bicycles may be used on a roadway.
In Australia and in the United States, the courts have consistently stated that the text of the statute is used first, and it is read as it is written, using the ordinary meaning of the words of the statute.
Below are various quotes on this topic from US courts:
- U.S. Supreme Court: "We begin with the familiar canon of statutory construction that the starting point for interpreting a statute is the language of the statute itself. Absent a clearly expressed legislative intention to the contrary, that language must ordinarily be regarded as conclusive.:" Consumer Product Safety Commission et al. v. GTE Sylvania, Inc. et al.,447 U.S. 102 (1980). "[I]n interpreting a statute a court should always turn to one cardinal canon before all others. . . .[C]ourts must presume that a legislature says in a statute what it means and means in a statute what it says there." Connecticut Nat'l Bank v. Germain, 112 S. Ct. 1146, 1149 (1992). Indeed, "when the words of a statute are unambiguous, then, this first canon is also the last: 'judicial inquiry is complete.'" 503 U.S. 249, 254.
- 9th Circuit Court of Appeals: In the dissent from en banc rehearing of Silveira v. Lockyer 312 F.3rd 1052 (2002), dissent at 328 F.3d 567 (2003) at 575, Judge Kleinfeld stated "it is 'a cardinal principle of statutory construction that we must give effect, if possible, to every clause and word of a statute.' Williams v. Taylor, 529 U.S. 362, 404, 120 S.Ct. 1495, 146 L.Ed.2d 389 (2000)."
- Supreme Court of Virginia: "Every part of an act is presumed to be of some effect and is not to be treated as meaningless unless absolutely necessary." Red Ash Coal Corp. v. Absher, 153 Va. 332, 335, 149 S.E. 541, 542 (1929).
- Supreme Court of Alaska: "In assessing statutory language, unless words have acquired a peculiar meaning, by virtue of statutory definition or judicial construction, they are to be construed in accordance with their common usage." Muller v. BP Exploration (Alaska) Inc., 923 P.2d 783, 787-88 (Alaska 1996);
- Arkansas Supreme Court: "When reviewing issues of statutory interpretation, we keep in mind that the first rule in considering the meaning and effect of a statute is to construe it just as it reads, giving the words their ordinary and usually accepted meaning in common language. When the language of a statute is plain and unambiguous, there is no need to resort to rules of statutory construction. A statute is ambiguous only where it is open to two or more constructions, or where it is of such obscure or doubtful meaning that reasonable minds might disagree or be uncertain as to its meaning. When a statute is clear, however, it is given its plain meaning, and this court will not search for legislative intent; rather, that intent must be gathered from the plain meaning of the language used. This court is very hesitant to interpret a legislative act in a manner contrary to its express language, unless it is clear that a drafting error or omission has circumvented legislative intent." Farrell v. Farrell, 365 Ark. 465, 231 S.W.3d 619. (2006)
- Supreme Court of New Mexico: "The principal command of statutory construction is that the court should determine and effectuate the intent of the legislature using the plain language of the statute as the primary indicator of legislative intent." State v. Ogden, 118 N.M. 234, 242, 880 P.2d 845, 853 (1994) "The words of a statute . . . should be given their ordinary meaning, absent clear and express legislative intention to the contrary," as long as the ordinary meaning does "not render the statute's application absurd, unreasonable, or unjust." State v. Rowell, 121 N.M. 111, 114, 908 P.2d 1379, 1382 (1995) When the meaning of a statute is unclear or ambiguous, we have recognized that it is "the high duty and responsibility of the judicial branch of government to facilitate and promote the legislature's accomplishment of its purpose." State ex rel. Helman v. Gallegos, 117 N.M. 346, 353, 871 P.2d 1352, 1359 (1994). - New Mexico v. Juan, 2010-NMSC-041, August 9, 2010
- California Court of Appeals, 4th District: "Our role in construing a statute is to ascertain the intent of the Legislature so as to effectuate the purpose of the law. (People v. Jefferson (1999) 21 Cal.4th 86, 94 [86 Cal.Rptr.2d 893, 980 P.2d 441].) Because the statutory language is generally the most reliable indicator of that intent, we look first at the words themselves, giving them their usual and ordinary meaning. (People v. Lawrence (2000) 24 Cal.4th 219, 230 [99 Cal.Rptr.2d 570, 6 P.3d 228].) We do not, however, consider the statutory language in isolation, but rather examine the entire substance of the statute in order to determine the scope and purpose of the provision, construing its words in context and harmonizing its various parts. (People v. Acosta (2002) 29 Cal.4th 105, 112 [124 Cal.Rptr.2d 435, 52 P.3d 624].)" Alford v. Superior Court (People) (2003) 29 Cal.4th 1033, 1040
- U.S. Court of Appeals for the Second Circuit: "As in all statutory construction cases, we begin with the language of the statute. The first step is to determine whether the language at issue has a plain and unambiguous meaning with regard to the particular dispute in the case." Barnhart v. Sigmon Coal Co., 534 U.S. 438, 450 (2002) "[U]nless otherwise defined, statutory words will be interpreted as taking their ordinary, contemporary, common meaning." United States v. Piervinanzi, 23 F.3d 670, 677 (2d Cir. 1994).
- Court of Appeals of Maryland: "[W]e begin our analysis by reviewing the pertinent rules of [statutory construction]. Of course, the cardinal rule is to ascertain and effectuate legislative intent. To this end, we begin our inquiry with the words of the statute and, ordinarily, when the words of the statute are clear and unambiguous, according to their commonly understood meaning, we end our inquiry there also." Chesapeake and Potomac Telephone Co. of Maryland v. Director of Finance for Mayor and City Council of Baltimore, 343 Md. 567, 683 A.2d 512 (1996)
Conflict of laws within a federationEdit
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Federal jurisdictions may presume that either federal or local government authority prevails in the absence of a defined rule. In Canada, there are areas of law where provincial governments and the federal government have concurrent jurisdiction. In these cases the federal law is held to be paramount. However, in areas where the Canadian constitution is silent, the federal government does not necessarily have superior jurisdiction. Rather, an area of law that is not expressly mentioned in Canada's Constitution will have to be interpreted to fall under either the federal residual jurisdiction found in the preamble of s. 91—known as the Peace, Order and Good Government clause—or the provinces residual jurisdiction of "Property and Civil Rights" under s. 92(13) of the 1867 Constitution Act. This contrasts with other federal jurisdictions, notably the United States and Australia, where it is presumed that if legislation is not enacted pursuant to a specific provision of the federal Constitution, the states will have authority over the relevant matter in their respective jurisdictions, unless the state's definitions of their statutes conflicts with federally established or recognized rights.
Internal and external consistencyEdit
It is presumed that a statute will be interpreted so as to be internally consistent. A particular section of the statute shall not be divorced from the rest of the act. The ejusdem generis (or eiusdem generis, Latin for "of the same kind") rule applies to resolve the problem of giving meaning to groups of words where one of the words is ambiguous or inherently unclear. The rule results that where "general words follow enumerations of particular classes or persons or things, the general words shall be construed as applicable only to persons or things of the same general nature or kind as those enumerated." What is of the same generic nature is particularly decided upon analogy between the entities which are specific and the indeterminate one. Thus, in a statute forbidding the concealment on one's "pistols, revolvers, derringers, or other dangerous weapons," the term "other dangerous weapons" may be construed to comprehend only dangerous weapons that are of the same kind (ara analogues) to those enumerated; i.e., firearms, or perhaps more narrowly still, handguns. A hypothetical court may have to determine whether a sword, a taser, or a Japanese throwing star would be properly included in the "other" category of the statute. Here, the term "other dangerous weapons" must be given a meaning of the "same kind (genus)" as the words of established meaning.
A statute shall not be interpreted so as to be inconsistent with other statutes. Where there is an inconsistency, the judiciary will attempt to provide a harmonious interpretation.
Statements of the legislatureEdit
Legislative bodies themselves may try to influence or assist the courts in interpreting their laws by placing into the legislation itself statements to that effect. These provisions have many different names, but are typically noted as:
- Declarations, sometimes suffixed with of Policy or of Intent; or
- Sense of Congress, or of either house in multi-chamber bodies.
Also known as canons of construction, canons give common sense guidance to courts in interpreting the meaning of statutes. Most canons emerge from the common law process through the choices of judges. Proponents of the use of canons argue that the canons constrain judges and limit the ability of the courts to legislate from the bench. Critics argue that a judge always has a choice between competing canons that lead to different results, so judicial discretion is only hidden through the use of canons, not reduced.
Textual canons are rules of thumb for understanding the words of the text. Some of the canons are still known by their traditional Latin names.
- Plain meaning
- When writing statutes, the legislature intends to use ordinary English words in their ordinary senses. The United States Supreme Court discussed the plain meaning rule in Caminetti v. United States, 242 U.S. 470 (1917), reasoning "[i]t is elementary that the meaning of a statute must, in the first instance, be sought in the language in which the act is framed, and if that is plain... the sole function of the courts is to enforce it according to its terms." And if a statute's language is plain and clear, the Court further warned that "the duty of interpretation does not arise, and the rules which are to aid doubtful meanings need no discussion."
- Rule against surplusage
- Where one reading of a statute would make one or more parts of the statute redundant and another reading would avoid the redundancy, the other reading is preferred.
- Eiusdem generis ("of the same kinds, class, or nature")
- When a list of two or more specific descriptors is followed by more general descriptors, the otherwise wide meaning of the general descriptors must be restricted to the same class, if any, of the specific words that precede them. For example, where "cars, motor bikes, motor powered vehicles" are mentioned, the word "vehicles" would be interpreted in a limited sense (therefore vehicles cannot be interpreted as including airplanes).
Ejusdem generis in a composition of a statute assumes especially the form of:
- “x, y, z or other”
- “x, y, z or the like”
- “…, particularly x, y and z”
The terms: x, y and z are precise here, while the word “other” or that which precedes them is by definition indeterminate.
- Expressio unius est exclusio alterius ("the express mention of one thing excludes all others")
- Items not on the list are impliedly assumed not to be covered by the statute or a contract term. However, sometimes a list in a statute is illustrative, not exclusionary. This is usually indicated by a word such as "includes" or "such as."
- In pari materia ("upon the same matter or subject")
- When a statute is ambiguous, its meaning may be determined in light of other statutes on the same subject matter.
- Noscitur a sociis ("a word is known by the company it keeps")
- When a word is ambiguous, its meaning may be determined by reference to the rest of the statute.
- Reddendo singula singulis or "referring each to each"
- "When a will says "I devise and bequeath all my real and personal property to A", the principle of reddendo singula singulis would apply as if it read "I devise all my real property, and bequeath all my personal property, to A", since the word devise is appropriate only to real property and the term bequeath is appropriate only to personal property."
- Generalia specialibus non derogant ("the general does not detract from the specific")
-  as: "Now if anything be certain it is this, that where there are general words in a later Act capable of reasonable and sensible application without extending them to subjects specially dealt with by earlier legislation, you are not to hold that earlier legislation indirectly repealed, altered, or derogated from merely by force of such general words, without any evidence of a particular intention to do so." This means that if a later law and an earlier law are potentially—but not necessarily—in conflict, courts will adopt the reading that does not result in an implied repeal of the earlier statute. Lawmaking bodies usually need to be explicit if they intend to repeal an earlier law. Described in The Vera Cruz
- Adequate application of law (pertinent application of law)
- It is a specific technique of composing canonical texts, which enables drafters to make such texts considerably shorter. It consists in stating in a statute that the set of specific statutory provisions should also be pertinently (adequately) applied to some other scope of circumstances – although these provisions literally do not address these circumstances. For instance, the provisions that regulate the contract of the sale of goods may be ordered to be pertinently applied to the contract of the exchange of goods. Owing to such statutory clauses, the provisions which have been primarily shaped for one legal institution regulate two different legal institutions. The first is this one which is directly regulated by such provisions and the second is this institution which is regulated by such provisions due to the statutory reference made for that purpose. The reference can be made here to one or several statutory provisions. It can, however, also refer to a larger number of such provisions or even refer to a statute as a whole. In consequence of pertinent application of law, in relation to the latter institution, particular provisions can be applied without any modification, with certain modifications (they may concern a consequent as well as an antecedent), or even be denied any appllication.
Substantive canons instruct the court to favor interpretations that promote certain values or policy results.
- Charming Betsy canon
- National statute must be construed so as not to conflict with international law. See Murray v. The Charming Betsy, 6 U.S. (2 Cranch) 64 (1804): "It has also been observed that an act of Congress ought never to be construed to violate the law of nations if any other possible construction remains..."
- Interpretation in light of fundamental values
- Statute does not violate fundamental societal values. See, for example, Holy Trinity Church v. United States, or Coco v The Queen. However, legislation that is intended to be consistent with fundamental rights can be overridden by clear and unambiguous language.
- Rule of lenity
- In construing an ambiguous criminal statute, the court should resolve the ambiguity in favor of the defendant.:296–302 See McNally v. United States, 483 U.S. 350 (1987); See, e.g., Muscarello v. U.S., 524 U.S. 125 (1998) (declining to apply the rule of lenity); Evans v. U.S., 504 U.S. 255 (1992) (Thomas, J., dissenting); Scarborough v. U.S., 431 U.S. 563 (1977) (Stewart, J., dissenting); See United States v. Santos (2008).
- Avoidance of abrogation of state sovereignty
- See Gregory v. Ashcroft; see also Gonzales v. Oregon; see also Nevada Dept. of Human Resources v. Hibbs, except where such would deprive the defendant of bedrock, foundational rights that the Federal Government intended to be the minimum floor that the states were not allowed to fall beneath; Dombrowski v Pfister.
- 'Indian' canon
- National statute must be construed in favor of Native Americans. See Chickasaw Nation v. United States, 534 U.S. 84 (2001): "statutes are to be construed liberally in favor of Indians with ambiguous provisions interpreted to their benefit." This canon can be likened to the doctrine of contra proferentem in contract law.
Deference canons instruct the court to defer to the interpretation of another institution, such as an administrative agency or Congress. These canons reflect an understanding that the judiciary is not the only branch of government entrusted with constitutional responsibility.
- Deference to Administrative Interpretations (US Chevron deference)
- If a statute administered by an agency is ambiguous with respect to the specific issue, the courts will defer to the agency's reasonable interpretation of the statute. This rule of deference was formulated by the United States Supreme Court in Chevron v. Natural Resources Defense Council, 467 U.S. 837 (1984).
- Avoidance Canon (Canon of Constitutional Avoidance)
- If a statute is susceptible to more than one reasonable construction, courts should choose an interpretation that avoids raising constitutional problems. In the US, this canon has grown stronger in recent history. The traditional avoidance canon required the court to choose a different interpretation only when one interpretation was actually unconstitutional. The modern avoidance canon tells the court to choose a different interpretation when another interpretation merely raises constitutional doubts.
- Clear statement rule
- When a statute may be interpreted to abridge long-held rights of individuals or states, or make a large policy change, courts will not interpret the statute to make the change unless the legislature clearly stated it. This rule is based on the assumption that the legislature would not make major changes in a vague or unclear way, and to ensure that voters are able to hold the appropriate legislators responsible for the modification.
- Leges posteriores priores contrarias abrogant (Subsequent laws repeal those before enacted to the contrary, aka "Last in Time")
- When two statutes conflict, the one enacted last prevails.
- See implied repeal and derogation.
Critics of the use of canons argue that canons impute some sort of "omniscience" to the legislature, suggesting that it is aware of the canons when constructing the laws. In addition, it is argued that the canons give a credence to judges who want to construct the law a certain way, imparting a false sense of justification to their otherwise arbitrary process. In a classic article, Karl Llewellyn argued that every canon had a "counter-canon" that would lead to the opposite interpretation of the statute.
The common textual canons of statutory construction employed in American jurisprudence are: (1) Ejusdem generis - "of the same kinds, class, or nature,"  (2) Expressio unius est exclusio alterius - "the express mention of one thing excludes all others,"  (3) Noscitur a sociis - "a word is known by the company it keeps,"(4) In pari materia - "upon the same matter or subject," and (5) Common, technical, legal, or trade definition.
The French philosopher Montesquieu (1689-1755) believed that courts should act as "the mouth of the law", but soon it was found that some interpretation is inevitable. Following the German scholar Friedrich Carl von Savigny (1779-1861) the four main interpretation methods are:
- Grammatical interpretation: using the literal meaning of the statutory text.
- Historical interpretation: using the legislative history, to reveal the intent of the legislator.
- Systematic interpretation: considering the context of provisions, if only by acknowledging in which chapter a provision is listed.
- Teleological interpretation: considering the purpose of the statute is considered, as it appears from legislative history, or other observations.
It is controversial whether there is a hierarchy between interpretation methods. Germans prefer a "grammatical" (literal) interpretation, because the statutory text has a democratic legitimation, and "sensible" interpretations are risky, in particular in view of German history. "Sensible" means different things to different people. The modern common law perception that courts actually make law is very different. In a German perception, courts can only further develop law ("Rechtsfortbildung"). All of the above methods may seem reasonable:
- It may be considered undemocratic to ignore the literal text, because only that text was passed through democratic processes. Indeed, there may be no single legislative "intent" other than the literal text that was enacted by the legislature, because different legislators may have different views about the meaning of an enacted statute. It may also be considered unfair to depart from the literal text because a citizen reading the literal text may not have fair notice that a court would depart from its literal meaning, nor fair notice as to what meaning the court would adopt. It may also be unwise to depart from the literal text if judges are generally less likely than legislatures to enact wise policies.
- But it may also seem unfair to ignore the intent of the legislators, or the system of the statutes. So for instance in Dutch law, no general priority sequence for the above methods is recognized.
The freedom of interpretation varies by area of law. Criminal law and tax law must be interpreted very strictly, and never to the disadvantage of citizens, but liability law requires more elaborate interpretation, because here (usually) both parties are citizens. Here the statute may even be interpreted contra legem in exceptional cases, if otherwise a patently unreasonable result would follow.
The interpretation of international treaties is governed by another treaty, the Vienna Convention on the Law of Treaties, notably Articles 31-33. Some states (such as the United States) are not a parties to the treaty, but recognize that the Convention is, at least in part, merely a codification of customary law international law.
The rule set out in the Convention is essentially that the text of a treaty is decisive unless it either leaves the meaning ambiguous, or obscure, or leads to a result that is manifestly absurd or unreasonable. Recourse to "supplementary means of interpretation" is allowed only in that case, like the preparatory works, also known by the French designation of travaux préparatoires.
Over time, various methods of statutory construction have fallen in and out of favor. Some of the better-known rules of construction methods are:
- Notes on the English Legal System - 2016 - Trevor Lyons - LJMU
- Sweet v Parsley  AC 132,  2 WLR 470, 53 Cr App R 221,  1 All ER 347, HL, reversing  2 QB 418
- As with EU Law, so in the UK an individual who is specifically targeted by a statute will normally have locus standi to bring a challenge by way of Judicial Review
- Shaw v DPP  AC 220
- R (Factortame Ltd) v Secretary of State for Transport (No 2)  1 AC 603
- Rupert Cross, Statutory interpretation, 3rd Edition, p.34 ISBN 978-0406049711
- SALMOND: "Jurisprudence"11th Edition, p.152
- Vishnu Pratap Sugar works (private) ltd. v. Chief Inspector of Stamp, U.P., AIR 1968 SC 102, p. 104
- R v. Secretary of State for the Environment expert Spath Holme, (2001) 1 All ER 195, p. 216(HL)
- Venkataswami Naidu v. Narasram Naraindas, AIR 1966 SC 361, p.363
- GP Singh, Principles of Statutory Interpretation, 13th Edition, p.4
- "let". Oxford English Dictionary (3rd ed.). Oxford University Press. September 2005. (Subscription or UK public library membership required.)
- "peculiar". Oxford English Dictionary (3rd ed.). Oxford University Press. September 2005. (Subscription or UK public library membership required.)
- Pattinson, Shaun D.; Kind, Vanessa (2017). "Using a moot to develop students' understanding of human cloning and statutory interpretation". Medical Law International. doi:10.1177/0968533217726350.
- Walling v. Peavy-Wilson Lumber Co., 49 F. Supp. 846, 859 (W.D. La. 1943).
- Maciej Koszowski, The Scope of Application of Analogical Reasoning in Statutory Law. American International Journal of Contemporary Research no. 1/2017 (v. 7): 27.
- Norman J. Singer, Sutherland Statutory Construction, 6th Edition, Vol. 1A, §20.12 (West Group 2000)
- American Jurisprudence 2d, Vol. 73, "Statutes" (West Group 2001)
- "Page Not Found — Georgetown Law" (PDF). www.law.georgetown.edu. Retrieved 23 March 2018.
- Maciej Koszowski, The Scope of Application of Analogical Reasoning in Statutory Law. American International Journal of Contemporary Research no. 1/2017 (v. 7): 27.
- Garner, Bryan A.. Ed. In Chief. (1999). Black's Law Dictionary (7th ed.). St. Paul, MN: West Publishing. p. 602.
- "US Legal definitions".
- (1884) 10 App Cas 59
- Maciej Koszowski, The Scope of Application of Analogical Reasoning in Statutory Law. American International Journal of Contemporary Research no. 1/2017 (v. 7), p. 28.
- Holy Trinity Church v. United States 143 U.S. 457 (1892)
- Coco v The Queen  HCA 15, (1994) 179 CLR 427, High Court (Australia).
- Electrolux Home Products Pty Ltd v Australian Workers' Union  HCA 40, (2004) 221 CLR 309 (2 September 2004), High Court (Australia).
- "A man's jail term turns on a comma". The Economist. 4 November 2015. Retrieved 9 November 2015.
- Scalia, Antonin; Garne, Bryan A. (2012). Reading Law: The Interpretation of Legal Texts. ISBN 9780314275554.
Blurred signposts to criminality will not suffice to create it.
- Gregory v. Ashcroft 501 U.S. 452 (1991)
- Gonzales v. Oregon 546 U.S. 243 (2006)
- Nevada Dept. of Human Resources v. Hibbs 538 U.S. 721 (2003)
- Dombrowski v Pfister, 380 U.S. 479 (1965).
- Einer Elhauge. Statutory Default Rules: How to Interpret Unclear Legislation. Harvard University Press (2008), p. 237–39. ISBN 978-0-674-02460-1.
- "United States v. Jin Fuey Moy", 241 U.S. 394, 401 (1916).
- Einer Elhauge. Statutory Default Rules: How to Interpret Unclear Legislation. Harvard University Press (2008), p. 148. ISBN 978-0-674-02460-1.
- Green v. Bock Laundry Machine Co., 490 U.S. 504 (1989).
- Karl N. Llewellyn, Remarks on the Theory of Appellate Decision and the Rules of Canons About How Statutes are to be Construed, 3 Vand. L. Rev. 395 (1950) republished with permission in 5 Green Bag 297 (2002).
- Singer, Norman J. 2A Sutherland Statutory Construction (7th ed.). Thomas Reuters. p. § 47:17.
- 2A Sutherland Statutory Construction § 47:23
- 2A Sutherland Statutory Construction § 47:16
- 2A Sutherland Statutory Construction § 47:27
- CRS Report for Congress: "Statutory interpretation: General Principles and Recent Trends" (public domain - can be copied into article with citations)
- The multi-volume Sutherland Statutory Construction is the authoritative text on the rules of statutory construction.
- Karl Llewellyn, Remarks on the Theory of Appellate Decisions and the Rules or Canons About How Statutes Are to Be Construed 3 Vand. L. Rev. 395 (1950).
- United States of America v. William C. Scrimgeour 636 F.2d 1019 (5th Cir. 1981) discusses most aspects of statutory construction.
- Brudney & Ditslear, Canons of Construction and the Elusive Quest for Neutral Reasoning
- Sinclair, Michael, "Llewellyn's Dueling Canons, One to Seven: A Critique". New York Law School Law Review, Vol. 51, Fall 2006.
- Jon May, "Statutory Construction: Not For The Timid", The Champion Magazine (NACDL), January/February 2006.
- Corrigan & Thomas, "Dice Loading" Rules Of Statutory Interpretation, 59 NYU Annual Survey Of American Law 231, 238 (2003).
- The Rules of Statutory Construction (Virginia)
- Statutory Interpretation, by Ruth Sullivan, 1997. Canadian examples and explanations.
- Menahem Pasternak, Christophe Rico, Tax Interpretation, Planning, and Avoidance: Some Linguistic Analysis, 23 Akron Tax Journal, 33 (2008) (http://www.uakron.edu/law/lawreview/taxjournal/atj23/docs/Pasternak08.pdf).