---
title: "Order of Authorities | Intro to Law"
description: "Order of authorities is the ranking of legal sources that tells you which law controls first in Intro to Law and Legal Process when sources conflict."
canonical: "https://fiveable.me/introduction-law-legal-process/key-terms/order-of-authorities"
type: "key-term"
subject: "Intro to Law and Legal Process"
unit: "Unit 9"
---

# Order of Authorities | Intro to Law

## Definition

Order of authorities is the ranking of legal sources used to decide which rule controls when laws conflict. In Intro to Law and Legal Process, it usually starts with the Constitution, then statutes, cases, and regulations.

## What It Is

Order of authorities is the hierarchy lawyers and courts use to figure out which legal source controls a dispute in Intro to Law and Legal Process. If two sources seem to point in different directions, the higher source wins unless a later valid source changes the rule.

At the top is constitutional law. That means the U.S. Constitution, and in many classes also state constitutions, sit above everything else. A statute that conflicts with the Constitution can be struck down, because legislatures do not get to override constitutional limits just by passing a law.

Next come statutes, which are laws passed by a legislature. Statutes give the broad rule, but they often need court interpretation. That is where case law enters the picture. Judges read statutes, explain what the words mean, and apply them to real disputes. Those judicial interpretations can make a vague statute much clearer, but they still have to fit within constitutional boundaries.

Administrative regulations usually come after statutes and case law in this kind of hierarchy. Agencies write rules to fill in details, like how a licensing requirement works or what forms must be filed. But agencies cannot create regulations that contradict the statute that gave them authority, and they definitely cannot override the Constitution.

This hierarchy is not just a memorization chart. It is the method courts use when they ask, “Which authority should I follow here?” If a city rule conflicts with a state statute, or a regulation stretches past the statute that created it, the order of authorities tells you where the legal analysis starts and which source has the final say.

## Why It Matters

Order of authorities shows up anytime you have to trace a legal problem from the highest rule down to the most specific one. In Intro to Law and Legal Process, that means you are not just spotting legal sources, you are ranking them and checking whether one source limits another.

This is the skill behind a lot of legal reading. If a case says one thing and a statute says another, you need to ask whether the case is interpreting the statute, whether the statute is newer, or whether the court is actually saying the statute cannot be applied because of constitutional limits. The hierarchy gives you a way to sort out that conflict instead of treating every source as equal.

It also connects directly to legal citation. When you cite a case, statute, or regulation, you are signaling what kind of authority you are using and how strong it is. A legal memo, class brief, or case analysis often asks you to show not just the rule, but where that rule sits in the legal system.

A simple example: if a state agency issues a regulation about driver licensing, you would check the enabling statute first. If the regulation goes beyond that statute, the statute controls. If the statute itself clashes with a constitutional right, the constitutional issue comes first. That layered thinking is what this term is all about.

## Connections

### Constitutional Law

Constitutional law sits at the top of the hierarchy, so it is the first place you look when a lower source may be invalid. In a class example, a statute or regulation can only stand if it fits within constitutional limits. That makes constitutional law the ceiling that everything else has to stay under.

### Statutes

Statutes are the next major source in the order, and they often supply the main rule in a legal problem. The tricky part is that statutes can be broad or unclear, so you may need to read them alongside cases and regulations. When a statute conflicts with a lower source, the statute usually controls unless the statute itself is unconstitutional.

### [Case Law](/introduction-law-legal-process/key-terms/case-law)

Case law shows how judges interpret and apply statutes and constitutional language in real disputes. In order-of-authorities questions, case law can clarify what a statute means, but it cannot overrule a higher source. A court opinion is often where you see the legal hierarchy working out in practice.

### [Regulatory citation](/introduction-law-legal-process/key-terms/regulatory-citation)

Regulatory citation matters because regulations are one of the sources you place in the hierarchy. If you cite a regulation in a memo or short response, you should know whether it comes from an agency with authority to issue it and whether it fits under the statute that created that authority. That keeps your analysis tied to the right level of law.

## On the AP Exam

A case-analysis question may give you a statute, a court opinion, and an agency rule that do not all match. Your job is to rank the sources, explain which one controls, and say why. If the question asks whether a regulation is valid, start by checking the statute that authorizes the agency, then ask whether the regulation conflicts with higher law.

In a short answer or essay, you might be asked to explain why a court rejected one argument and accepted another. The best responses name the controlling source first, then connect that source to the conflict. If you can show that a statute overrides a regulation, or that the Constitution limits a statute, you are using the term the way lawyers do.

## Order of Authorities vs precedent

Precedent is a type of case law that can guide later courts, while order of authorities is the ranking system that tells you where precedent fits compared with statutes, constitutional law, and regulations. Precedent can be powerful, but it is still lower than constitutional law and cannot beat a valid statute on its own.

## Key Takeaways

- Order of authorities is the ranking system for legal sources, and it tells you which source controls when laws conflict.
- Constitutional law sits at the top, so lower sources have to fit within constitutional limits.
- Statutes usually come before case law and regulations because they are enacted by the legislature.
- Case law explains and applies legal rules, but it does not outrank the Constitution or a valid statute.
- When you see competing authorities in a problem, the first move is to identify the highest valid source and work downward.

## FAQs

### What is order of authorities in Intro to Law and Legal Process?

It is the hierarchy of legal sources used to decide which rule controls in a dispute. In this course, the basic order usually starts with constitutional law, then statutes, then case law, and then administrative regulations. The point is to tell which source a court should follow when sources seem to conflict.

### How is order of authorities different from legal citation?

Legal citation is the format you use to point to a source, while order of authorities is the ranking that tells you how much weight that source has. A correct citation does not automatically mean the source wins the conflict. You still have to know whether the source is constitutional, statutory, judicial, or regulatory.

### What happens if a statute conflicts with a case or regulation?

You check the hierarchy. A valid statute usually outranks a case that is merely interpreting the law, and it also outranks a regulation that was made under the statute. If the statute itself conflicts with the Constitution, the constitutional issue comes first.

### Why do agencies need to follow the order of authorities?

Agencies can only make regulations within the power given to them by statute. If a regulation goes beyond that power, it can be challenged as invalid. That is why administrative law depends on the relationship between the agency rule, the statute, and any higher constitutional limit.

## Related Study Guides

- [9.2 Legal citation](/introduction-law-legal-process/unit-9/legal-citation/study-guide/cJeW7asm396oRzfX)

## About This Document

Canonical Fiveable pages are available as Markdown at the same path plus `.md`.

- [llms.txt](https://fiveable.me/llms.txt): index of Fiveable's sections and URL patterns
- [llms-full.txt](https://fiveable.me/llms-full.txt): complete subject and unit listing
- [MCP server](https://fiveable.me/mcp): call Fiveable as tools instead of fetching pages (`https://fiveable.me/api/mcp`)
- [MCP server for AP teachers](https://fiveable.me/mcp/teachers): a teacher's classes, assignments and AP-rubric grading (`https://fiveable.me/api/mcp/teacher`)

## Structured Data

```json
{"@context":"https://schema.org","@graph":[{"@type":"LearningResource","@id":"https://fiveable.me/introduction-law-legal-process/key-terms/order-of-authorities#resource","name":"Order of Authorities | Intro to Law","url":"https://fiveable.me/introduction-law-legal-process/key-terms/order-of-authorities","learningResourceType":"Concept explainer","educationalLevel":"AP® / High School","about":{"@id":"https://fiveable.me/introduction-law-legal-process/key-terms/order-of-authorities#term"},"audience":{"@type":"EducationalAudience","educationalRole":"student"},"dateModified":"2026-07-03T02:23:06.698Z","isPartOf":{"@type":"Collection","name":"Intro to Law and Legal Process Key Terms","url":"https://fiveable.me/introduction-law-legal-process/key-terms"},"author":{"@type":"Organization","@id":"https://fiveable.me/editorial#content-team","name":"Fiveable Content Team","url":"https://fiveable.me/editorial","parentOrganization":{"@id":"https://fiveable.me/#organization"},"member":[{"@type":"Person","name":"Amanda DoAmaral","sameAs":["https://www.linkedin.com/in/adoamaral"]},{"@type":"Person","name":"Becky Bahr","sameAs":["https://www.linkedin.com/in/becky-bahr-b52743132"]}]},"publisher":{"@type":"Organization","name":"Fiveable","url":"https://fiveable.me"}},{"@type":"DefinedTerm","@id":"https://fiveable.me/introduction-law-legal-process/key-terms/order-of-authorities#term","name":"Order of Authorities","description":"Order of authorities is the ranking of legal sources used to decide which rule controls when laws conflict. In Intro to Law and Legal Process, it usually starts with the Constitution, then statutes, cases, and regulations.","url":"https://fiveable.me/introduction-law-legal-process/key-terms/order-of-authorities","inDefinedTermSet":{"@type":"DefinedTermSet","name":"Intro to Law and Legal Process Key Terms","url":"https://fiveable.me/introduction-law-legal-process/key-terms"}},{"@type":"FAQPage","mainEntity":[{"@type":"Question","name":"What is order of authorities in Intro to Law and Legal Process?","acceptedAnswer":{"@type":"Answer","text":"It is the hierarchy of legal sources used to decide which rule controls in a dispute. In this course, the basic order usually starts with constitutional law, then statutes, then case law, and then administrative regulations. The point is to tell which source a court should follow when sources seem to conflict."}},{"@type":"Question","name":"How is order of authorities different from legal citation?","acceptedAnswer":{"@type":"Answer","text":"Legal citation is the format you use to point to a source, while order of authorities is the ranking that tells you how much weight that source has. A correct citation does not automatically mean the source wins the conflict. You still have to know whether the source is constitutional, statutory, judicial, or regulatory."}},{"@type":"Question","name":"What happens if a statute conflicts with a case or regulation?","acceptedAnswer":{"@type":"Answer","text":"You check the hierarchy. A valid statute usually outranks a case that is merely interpreting the law, and it also outranks a regulation that was made under the statute. If the statute itself conflicts with the Constitution, the constitutional issue comes first."}},{"@type":"Question","name":"Why do agencies need to follow the order of authorities?","acceptedAnswer":{"@type":"Answer","text":"Agencies can only make regulations within the power given to them by statute. If a regulation goes beyond that power, it can be challenged as invalid. That is why administrative law depends on the relationship between the agency rule, the statute, and any higher constitutional limit."}}]},{"@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Intro to Law and Legal Process","item":"https://fiveable.me/introduction-law-legal-process"},{"@type":"ListItem","position":2,"name":"Key Terms","item":"https://fiveable.me/introduction-law-legal-process/key-terms"},{"@type":"ListItem","position":3,"name":"Unit 9","item":"https://fiveable.me/introduction-law-legal-process/unit-9"},{"@type":"ListItem","position":4,"name":"Order of Authorities"}]}]}
```