When there is a conflict between state law and federal law and the federal government has authority over the issue who's law wins?

Asked by: Mrs. Ilene Berge DDS  |  Last update: February 5, 2026
Score: 4.6/5 (46 votes)

When there's a conflict between state and federal law, federal law wins due to the Supremacy Clause of the U.S. Constitution (Article VI, Clause 2), establishing federal law, the Constitution, and treaties as the "supreme Law of the Land" that overrides conflicting state laws, a principle known as preemption. This means if the federal government has constitutional authority over an issue, its laws are supreme, and states must comply, though the scope of federal power can be complex.

Who wins when state and federal laws conflict?

Conflicts between the laws are resolved by the Supremacy Clause of the U.S. Constitution, Article VI, which says that laws enacted in furtherance of the U.S. Constitution are the "supreme law of the land," and that federal laws have superiority over the state constitutions and laws.

What happens if there is a conflict between state and federal law?

When state law and federal law conflict, federal law displaces, or preempts, state law, due to the Supremacy Clause of the Constitution.

When there is a conflict between a state and a federal law, which is considered the supreme law of the land?

This Constitution, and the Laws of the United States which shall be made in Pursuance thereof; and all Treaties made, or which shall be made, under the Authority of the United States, shall be the supreme Law of the Land; and the Judges in every State shall be bound thereby, any Thing in the Constitution or Laws of any ...

Does federal law take precedence over any conflicting state law?

Under the Constitution's Supremacy Clause, federal law is the “supreme Law of the Land” and overrides conflicting state law. Congress sometimes expressly provides that state laws on a given topic are preempted (this is known as “express preemption”).

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Can a state supersede a federal law?

The Supreme Court relied on the Supremacy Clause to hold that the federal law controlled and could not be nullified by state statutes or officials. In Edgar v. MITE Corp., 457 U.S. 624 (1982), the Supreme Court ruled: "A state statute is void to the extent that it actually conflicts with a valid Federal statute".

How is a conflict between laws resolved?

If a conflict exists, the court will then inquire whether the legislature of the forum has enacted a statute that addresses the choice-of-law question. If a statute exists, the court will apply the choice-of-law rule contained in the statute. If not, the court will look to the common law.

When there is a conflict between federal law and state law, which one has ultimate authority and where does that authority come from?

The Constitution's Supremacy Clause provides that federal law is "the supreme Law of the Land" notwithstanding any state law to the contrary. This language is the foundation for the doctrine of federal preemption, according to which federal law supersedes conflicting state laws.

When there is a conflict between federal and state law, federal law prevails because of the Supremacy Clause.?

The Supremacy Clause does not independently grant any power to the federal government. Instead, the Supremacy Clause, and the doctrine of federal preemption that arises from it, is essentially a choice-of-law provision, stating that where valid federal and state and local laws are in conflict, the federal laws prevail.

What is clause 18 known as?

Although Necessary and Proper Clause is the modern term for the constitutional provision, historically it was often called the Sweeping Clause.

Does federal law enforcement supersede state law enforcement?

No. State and local law enforcement agencies are not subordinate to the FBI, and the FBI does not supervise or take over their investigations. Instead, the investigative resources of the FBI and state and local agencies are often pooled in a common effort to investigate and solve the cases.

Does local ordinance supersede state law?

A local ordinance will be preempted by state law when it is in express conflict with state or federal law. there is no direct conflict if the state or federal government has fully occupied the area of law in general.

What clause governs conflicts between state and federal law?

The Supremacy Clause establishes a rule of decision for courts adjudicating the rights and duties of parties under both state and federal law. Under our federal system, the States possess sovereignty concurrent with that of the Federal Government, subject only to limitations imposed by the Supremacy Clause.

What happens when there is a conflict between federal and state law?

Generally, the preemption doctrine states that when a federal law conflicts with state law, the federal law prevails. While states may make their own laws, they must meet or exceed the federal standard. The supremacy clause is in Article VI of the U.S. Constitution.

What is true when state and federal laws differ?

If a state law is in conflict with federal law, federal law is upheld. The purpose of state law is to grant citizens within a state additional rights that are not explicitly granted by federal law, rather than to restrict rights granted by federal law.

Can a state ignore a federal law?

Thus, the federal courts have held that under the Constitution, federal law is controlling over state law, and the final power to determine whether federal laws are unconstitutional has been delegated to the federal courts. The courts therefore have held that the states do not have the power to nullify federal law.

Who wins the state law vs federal law?

In the United States, state and federal laws often interact in complicated ways. Both levels of government create their own laws, but the U.S. Constitution gives the federal government the final say in the law. This means that federal laws always prevail over state laws.

What does Article 1 Section 7 Clause 2 mean?

U.S. Constitution, Article I, Section 7, Clause 2 outlines the President's role in the legislative process, detailing the veto power: every bill passed by Congress must go to the President, who can sign it into law, veto it (returning it with objections for Congress to override with a two-thirds vote), or allow it to become law by inaction if Congress is in session. This clause establishes the "Presentment Clause" process, ensuring laws are approved by both Congress and the President, and includes provisions for the "pocket veto" if Congress adjourns before the 10-day period expires. 

What happens when laws contradict each other?

Grounded in the Supremacy Clause of the U.S. Constitution, federal preemption stands for the principle that federal law supersedes conflicting state law.

When there is a conflict between federal and state law, federal law prevails because of the Supremacy Clause, true or false?

The Supremacy Clause ensures federal law prevails over state law when conflicts arise. It applies to the Constitution, federal statutes, and treaties. State laws that conflict with federal laws are considered void.

What is a conflict of law between states?

Definitions (Conflict/Choice of Law)

Conflict of laws: "1. A difference between the laws of different states or countries in a case in which a transaction or occurrence central to the case has a connection to two or more jurisdictions. – Often shortened to conflict.

What is constitutional supremacy?

The supremacy of the Constitution is the principle, established by the U.S. Constitution's Supremacy Clause (Article VI, Clause 2), that the Constitution, federal laws, and treaties are the "supreme Law of the Land," meaning they override any conflicting state laws or state constitutions, ensuring a unified legal framework where federal authority prevails in cases of conflict. This doctrine prevents states from nullifying federal power and ensures federal courts and officials are bound by federal law over state law. 

What are the 4 types of conflict?

The four main types of conflict, especially in storytelling and organizational settings, are generally categorized as Man vs. Self (internal struggle), Man vs. Man (person vs. person), Man vs. Nature/Environment, and Man vs. Society (or supernatural/fate). In business/workplace contexts, specific types include Task, Relationship, Process, and Status conflicts.
 

What is an example of a conflict of law?

For example, in a contract dispute involving parties from different states, the state where the contract was made may have little connection to the rest of the parties or subject matter, and so another state's laws might be more appropriate.

What happens when conflicts are resolved?

Conflict resolution, stress, and emotions

When handled in an unhealthy manner, it can cause irreparable rifts, resentments, and break-ups. But when conflict is resolved in a healthy way, it increases your understanding of the other person, builds trust, and strengthens your relationships.