17.1 State Regulation, Licensing, and the McCarran-Ferguson Act

Key Takeaways

  • The McCarran-Ferguson Act of 1945 reserves insurance regulation and taxation to the STATES and applies federal antitrust law only where state law does not regulate
  • The NAIC is a coordinating body that writes MODEL laws with no force until a state legislature adopts them—it is not itself a regulator
  • Transacting insurance requires BOTH a license and an insurer appointment; resident licenses issue in the home state and non-resident licenses follow NAIC reciprocity (usually no second exam)
  • Admitted insurers hold a Certificate of Authority and back the guaranty fund; surplus lines may be placed with non-admitted carriers only after a diligent search and declinations by admitted insurers
  • Domicile classes: DOMESTIC (this state), FOREIGN (another U.S. state), ALIEN (another country)
Last updated: June 2026

Why Insurance Is Regulated by the States

Insurance in the United States is regulated almost entirely at the state level, not the federal level. The foundation is the McCarran-Ferguson Act of 1945 (15 U.S.C. 1011-1015). It declared that the continued regulation and taxation of insurance by the states is in the public interest, and that federal antitrust laws (Sherman, Clayton, FTC Acts) apply to the business of insurance only to the extent that it is not regulated by state law.

The historical trigger was the 1944 Supreme Court case United States v. South-Eastern Underwriters Association, which held that insurance crossing state lines is interstate commerce subject to federal regulation. Congress responded with McCarran-Ferguson to preserve the state system that had existed since the 1869 Paul v. Virginia decision.

The Three Pillars of State Regulation

State regulation operates through three core functions the exam tests repeatedly:

  • Legislative — the state legislature enacts the insurance code (statutes) defining who may sell insurance and how.
  • Judicial — courts interpret policy language and resolve disputes; the rule of contra proferentem (ambiguity construed against the insurer/drafter) is judicial.
  • Executive/Administrative — the Commissioner (also titled Director or Superintendent) heads the Department of Insurance, issues regulations, examines insurers, and enforces the code.

The NAIC (National Association of Insurance Commissioners) is not a regulator. It is a voluntary coordinating body that writes model laws and model regulations. A model law has no force until a state legislature adopts it. NAIC also runs the producer licensing reciprocity database (NIPR) and the financial accreditation program.

Licensing: Resident, Non-Resident, and Lines of Authority

A producer is the modern statutory term covering what was historically called an agent or broker. To lawfully transact insurance a producer needs both (1) a license and (2) an appointment from at least one admitted insurer. The license alone does not authorize sales for a specific company.

License TypeHow ObtainedExam Trap
ResidentHome state; pre-licensing education + exam + background checkOnly one home state at a time
Non-residentOther states via NAIC reciprocityUsually no second exam required
TemporaryIssued 90-180 days on death/disability/military activation of a producerMay service existing business, cannot solicit new

A resident license issues in the producer's home state. Non-resident licenses in other states are granted reciprocally if the home-state license is in good standing. Lines of authority (e.g., Property, Casualty, Personal Lines) limit what the producer may sell.

Admitted vs. Non-Admitted and Surplus Lines

An admitted (authorized) insurer holds a Certificate of Authority from the state and contributes to the guaranty association. A non-admitted (unauthorized) insurer has no certificate; its policyholders are not protected by the guaranty fund.

Surplus lines (excess lines) insurance is placed with non-admitted carriers for hard-to-place or unusual risks, but only after the risk has been declined by a stated number of admitted insurers (commonly three). A specially licensed surplus lines broker must perform this diligent search and collect surplus lines tax. Domicile classifications also appear on the exam:

  • Domestic — incorporated in this state.
  • Foreign — incorporated in another U.S. state.
  • Alien — incorporated in another country.

State Regulation, McCarran-Ferguson, and Licensing

Insurance is regulated primarily at the state level. The McCarran-Ferguson Act of 1945 confirms that states regulate the business of insurance and exempts insurers from most federal law to the extent a state regulates the activity - the foundational jurisdiction question on every P&C exam.

Regulatory body / toolRole
State Insurance Department / CommissionerLicenses, examines, enforces, approves rates/forms
NAICNational Association of Insurance Commissioners - drafts model laws; no direct authority
McCarran-Ferguson ActState primacy over insurance regulation
Producer licenseRequired to sell, solicit, or negotiate insurance
AppointmentInsurer's authorization for a producer to represent it

A producer must be licensed by line (property, casualty, life, health) and, to represent a specific insurer, must be appointed by that insurer. Continuing education maintains the license.

Exam trap: McCarran-Ferguson gives STATES, not the federal government, primary authority to regulate insurance - federal antitrust and other laws yield where a state regulates the activity. The NAIC has no enforcement power; it produces model laws states may adopt. A producer needs both a license (general authority to transact a line) and an appointment (authority to represent a particular insurer) - the exam tests this two-part requirement frequently.

Producer Licensing Lifecycle

A property-casualty producer's authority follows a lifecycle the exam tests at each stage: pre-licensing education -> licensing exam -> license issuance by line -> insurer appointment -> continuing education -> renewal. The license grants the general authority to transact a line of business statewide; the appointment ties the producer to a specific insurer and may be terminated by the insurer with notice to the regulator.

StageRequirement
Apply / qualifyPre-licensing education (where required), pass the state exam, background check
LicenseIssued by line (property, casualty, etc.)
AppointmentInsurer files to authorize the producer to represent it
MaintainContinuing education each renewal period; pay fees
DisciplineCommissioner may suspend, revoke, or fine for violations

Exam tip: The recurring distinction is license vs. appointment: a license is the producer's general authority to sell a line; an appointment is an insurer-specific authorization. Non-resident producers obtain a non-resident license through reciprocity under the producer-licensing model law. The Commissioner enforces conduct through hearings, cease-and-desist orders, fines, and license actions, with rights of notice and appeal for the producer.

Test Your Knowledge

Under the McCarran-Ferguson Act, federal antitrust laws apply to the business of insurance:

A
B
C
D
Test Your Knowledge

An insurer incorporated in Germany and selling policies in Mississippi is classified as:

A
B
C
D