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Immigration Policy Preemption: Every State Ranked (2026)

State laws governing local cooperation with federal immigration authorities, including sanctuary-policy preemption and E-Verify mandates.

Showing 46 states with state-tier rules in this category. Rankings reflect the strictest controlling state law for each state.

Severity: Permissive ยท Moderate ยท Strict

#1Alabama(AL)2 rules

E-Verify Mandates

Heavy Restrictions

Alabama Code Title 31 Chapter 13 requires every employer in the state to enroll in and use the federal E-Verify program to confirm employee work authorization.

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Sanctuary Policy Preemption

Heavy Restrictions

Alabama Code Title 31 Chapter 13, the Beason-Hammon Act, prohibits municipalities and counties from adopting sanctuary policies that limit immigration enforcement cooperation.

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#2Arizona(AZ)2 rules

E-Verify Mandates

Heavy Restrictions

Arizona requires every employer in the state to use the federal E-Verify program to confirm employment eligibility of all newly hired workers.

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Sanctuary Policy Preemption

Heavy Restrictions

Arizona law prohibits any city, county, or agency from limiting cooperation with federal immigration authorities, effectively banning sanctuary policies statewide.

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#3California(CA)2 rules

E-Verify Mandates

Heavy Restrictions

California prohibits state and local governments from requiring private employers to use the federal E-Verify system except where federal law mandates it, under Government Code 7285.1 and 7285.3. The restriction applies uniformly to every California city and county.

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Sanctuary Policy Preemption

Heavy Restrictions

The California Values Act (SB 54, 2017) codified at Government Code 7284-7284.12 limits state and local law enforcement cooperation with federal immigration authorities. It applies uniformly to every California agency and bars participation in most civil immigration enforcement.

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#4Colorado(CO)2 rules

E-Verify Mandates

Some Restrictions

Colorado does not require private employers to use E-Verify and repealed the prior employment eligibility affirmation form in 2016 under HB 16-1114.

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Sanctuary Policy Preemption

Heavy Restrictions

Colorado law limits state and local cooperation with federal immigration enforcement under HB 19-1124, restricting ICE detainers, courthouse arrests, and information sharing statewide.

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#5Connecticut(CT)2 rules

E-Verify Mandates

Few Restrictions

Connecticut does not require private employers or most public contractors to use the federal E-Verify system, leaving participation voluntary under state law.

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Sanctuary Policy Preemption

Heavy Restrictions

The Connecticut TRUST Act under CGS 54-192h restricts state and local law enforcement cooperation with federal immigration detainers and ICE civil enforcement statewide.

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#6Florida(FL)2 rules

E-Verify Mandates

Heavy Restrictions

Florida Statute 448.095 requires every private employer with 25 or more employees to use the federal E-Verify system to confirm work authorization for new hires beginning July 1, 2023, with public agencies and contractors subject to broader requirements.

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Sanctuary Policy Preemption

Heavy Restrictions

Senate Bill 168 (2019), codified at FS 908.103 and 908.104, prohibits sanctuary policies in Florida and requires every state and local law enforcement agency to use best efforts to support federal immigration enforcement and honor ICE detainer requests.

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#7Georgia(GA)2 rules

E-Verify Mandates

Heavy Restrictions

Georgia requires private employers with 11 or more employees to use E-Verify under O.C.G.A. 36-60-6, with annual affidavit certification tied to business licenses.

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Sanctuary Policy Preemption

Heavy Restrictions

Georgia prohibits sanctuary policies under O.C.G.A. 36-80-23 and HB 1105, requiring local governments and law enforcement to cooperate with federal immigration authorities.

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#8Idaho(ID)2 rules

E-Verify Mandates

Heavy Restrictions

Idaho Code 18-7028 and Executive Order 2009-10 require state agencies and public works contractors doing business with Idaho to enroll in and use the federal E-Verify system to confirm employment eligibility of new hires.

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Sanctuary Policy Preemption

Heavy Restrictions

Idaho Code 18-7106, enacted by HB 463 in 2014, prohibits Idaho cities and counties from adopting sanctuary policies that limit cooperation with federal immigration enforcement, requiring full compliance with federal immigration law and detainers.

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#9Illinois(IL)2 rules

E-Verify Mandates

Some Restrictions

The Illinois Right to Privacy in the Workplace Act limits how employers may use E-Verify and bars mandates that exceed federal law, applying uniformly across all Illinois employers.

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Sanctuary Policy Preemption

Heavy Restrictions

The Illinois TRUST Act and Way Forward Act bar state and local law enforcement from civil immigration enforcement, holding ICE detainers, or contracting for immigration detention.

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#10Indiana(IN)2 rules

E-Verify Mandates

Some Restrictions

Indiana requires state agencies, political subdivisions, and their contractors to enroll in and use the federal E-Verify program to confirm employee work eligibility.

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Sanctuary Policy Preemption

Heavy Restrictions

Indiana law prohibits state and local governments from adopting sanctuary policies that limit cooperation with federal immigration enforcement, preempting any contrary local rules.

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#11Iowa(IA)2 rules

E-Verify Mandates

Some Restrictions

Iowa has no statewide mandate requiring private employers to use E-Verify, though state agencies and certain contractors must verify employment eligibility.

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Sanctuary Policy Preemption

Heavy Restrictions

Iowa Code chapter 825 prohibits sanctuary policies and requires local entities to cooperate with federal immigration authorities and honor ICE detainers.

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#12Louisiana(LA)2 rules

E-Verify Mandates

Some Restrictions

Louisiana requires public contractors and certain private employers to verify employee work authorization through E-Verify or retain documentation under state law.

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Sanctuary Policy Preemption

Heavy Restrictions

Louisiana prohibits sanctuary policies and requires local governments and law enforcement to cooperate with federal immigration authorities, preempting any contrary local rule.

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#13Minnesota(MN)2 rules

E-Verify Mandates

Few Restrictions

Minnesota does not require private employers to use E-Verify, and the state has not enacted a general E-Verify mandate, leaving federal I-9 verification as the universal standard for hiring.

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Sanctuary Policy Preemption

Heavy Restrictions

Minnesota's North Star Act, codified in Minn. Stat. 645.221 and related provisions enacted in 2023, limits state and local agency cooperation with federal immigration enforcement absent a judicial warrant.

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#14Mississippi(MS)2 rules

E-Verify Mandates

Heavy Restrictions

The Mississippi Employment Protection Act of 2008, codified at Miss. Code Section 71-11-3, requires every employer in the state, regardless of size, to use the federal E-Verify system to confirm the work eligibility of all newly hired employees.

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Sanctuary Policy Preemption

Heavy Restrictions

Senate Bill 2710, codified at Miss. Code Section 17-21-7 in 2017, prohibits any Mississippi state agency, county, municipality, or public university from adopting sanctuary policies that limit cooperation with federal immigration enforcement.

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#15Missouri(MO)2 rules

E-Verify Mandates

Heavy Restrictions

Missouri RSMo 285.530 requires state contractors and public employers to enroll in E-Verify and bars employment of unauthorized aliens, creating a uniform statewide standard for verifying work authorization.

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Sanctuary Policy Preemption

Heavy Restrictions

Missouri RSMo 67.307 forbids any municipality from adopting sanctuary policies, requiring local officials to cooperate with federal immigration authorities and barring restrictions on information-sharing about immigration status.

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#16New Hampshire(NH)2 rules

E-Verify Mandates

Few Restrictions

New Hampshire imposes no statewide E-Verify mandate; participation in the federal program remains voluntary for most private employers under state law.

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Sanctuary Policy Preemption

Heavy Restrictions

HB 1292 (2024) bars New Hampshire municipalities from adopting sanctuary policies that limit cooperation with federal immigration enforcement.

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#17North Carolina(NC)2 rules

E-Verify Mandates

Heavy Restrictions

North Carolina requires private employers with 25 or more employees and all government employers to use the federal E-Verify system to confirm work authorization under NCGS 64-26.

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Sanctuary Policy Preemption

Heavy Restrictions

North Carolina prohibits sanctuary policies under NCGS 153A-145.5 and 160A-205.2, requiring local governments to cooperate with federal immigration enforcement and honor lawful immigration detainers.

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#18Oklahoma(OK)2 rules

E-Verify Mandates

Heavy Restrictions

Oklahoma requires public employers and state contractors to use the federal E-Verify system to confirm employment eligibility, codified under 25 O.S. 1313 of the Oklahoma Taxpayer and Citizen Protection Act.

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Sanctuary Policy Preemption

Heavy Restrictions

Oklahoma prohibits sanctuary policies and requires state and local agencies to cooperate with federal immigration enforcement, codified under 21 O.S. 1290.27 and related statutes.

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#19South Carolina(SC)2 rules

E-Verify Mandates

Heavy Restrictions

South Carolina requires every private and public employer in the state to verify the work authorization of new hires using the federal E-Verify program.

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Sanctuary Policy Preemption

Heavy Restrictions

South Carolina prohibits any local government or law enforcement agency from adopting sanctuary policies that limit cooperation with federal immigration enforcement.

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#20Tennessee(TN)2 rules

E-Verify Mandates

Heavy Restrictions

Tennessee requires private employers with 35 or more employees to use the federal E-Verify program to confirm work authorization under T.C.A. 50-1-703.

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Sanctuary Policy Preemption

Heavy Restrictions

Tennessee bans sanctuary policies statewide under T.C.A. 7-68-101 and following, requiring local governments to cooperate with federal immigration authorities or lose state funding.

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#21Texas(TX)2 rules

E-Verify Mandates

Some Restrictions

Texas Government Code Chapter 673 requires every state agency and any business that contracts with a state agency to register for and use the federal E-Verify system to confirm the work eligibility of new employees. Private-sector E-Verify use is generally voluntary statewide.

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Sanctuary Policy Preemption

Heavy Restrictions

Texas Government Code Chapter 752, enacted by Senate Bill 4 in 2017, prohibits any local entity, campus police department, or jail from adopting sanctuary policies. Local officials must honor federal immigration detainer requests and may not bar officers from inquiring about immigration status.

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#22Vermont(VT)2 rules

E-Verify Mandates

Few Restrictions

Vermont does not impose a statewide E-Verify mandate on private employers or public contractors, leaving participation in the federal program voluntary under existing federal rules.

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Sanctuary Policy Preemption

Heavy Restrictions

Vermont operates as a statewide sanctuary jurisdiction under 20 V.S.A. 4651 and following, requiring all law enforcement to follow the Fair and Impartial Policing Policy that limits cooperation with federal immigration enforcement.

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#23Washington(WA)2 rules

E-Verify Mandates

Some Restrictions

Washington has no state E-Verify mandate, and RCW 49.60 prohibits employment discrimination based on national origin or immigration-related characteristics statewide.

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Sanctuary Policy Preemption

Heavy Restrictions

Washington's Keep Washington Working Act under RCW 10.93.160 limits state and local cooperation with federal immigration enforcement, establishing statewide sanctuary protections.

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#24Maryland(MD)1 rule

Sanctuary Policy Preemption

Heavy Restrictions

The Maryland Trust Act under Public Safety Article 4-114 restricts state and local agencies from assisting federal civil immigration enforcement and bars ICE detainer holds.

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#25Hawaii(HI)2 rules

E-Verify Mandates

Few Restrictions

Hawaii does not require private or public employers to use the federal E-Verify system to confirm employee work authorization. Use of E-Verify in Hawaii is voluntary, except where federal contracts independently require it.

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Sanctuary Policy Preemption

Some Restrictions

Hawaii has not enacted a statewide sanctuary law nor a statewide preemption forbidding sanctuary policies. Counties and city governments such as Honolulu have adopted their own policies governing local cooperation with federal immigration enforcement.

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#26Kentucky(KY)2 rules

E-Verify Mandates

Some Restrictions

Kentucky requires E-Verify use by certain state contractors and prohibits local mandates broader than state law. KRS 13B and related statutes condition state contracts and grants on verifying employment eligibility.

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Sanctuary Policy Preemption

Some Restrictions

Kentucky prohibits sanctuary policies statewide. Under KRS 65A.020, enacted by HB 6 in 2024, no local government or public agency may adopt or enforce policies that limit cooperation with federal immigration enforcement.

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#27Maine(ME)2 rules

E-Verify Mandates

Some Restrictions

Maine has no statewide E-Verify mandate for private employers, leaving participation in the federal employment verification system voluntary except for federal contractors.

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Sanctuary Policy Preemption

Some Restrictions

Maine has no statewide sanctuary preemption; LD 1259 attempted to bar local sanctuary policies but was not enacted, leaving immigration cooperation decisions to municipalities.

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#28Nebraska(NE)2 rules

E-Verify Mandates

Some Restrictions

Nebraska requires state agencies, political subdivisions, and contractors awarded state or local public contracts to use E-Verify for new hires under Neb. Rev. Stat. 4-114. Private employers without public contracts are not required to use E-Verify but may participate voluntarily.

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Sanctuary Policy Preemption

Few Restrictions

Nebraska has not enacted a statute preempting sanctuary policies or compelling local cooperation with federal immigration enforcement. Cities and counties set their own ICE-cooperation policies, subject to general federal law and 8 U.S.C. 1373 information-sharing rules.

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#29New Jersey(NJ)2 rules

E-Verify Mandates

Few Restrictions

New Jersey does not mandate E-Verify for private employers, leaving participation voluntary statewide while federal contractors must comply with federal Executive Order 12989 requirements.

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Sanctuary Policy Preemption

Some Restrictions

Attorney General Directive 2018-6, the Immigrant Trust Directive, limits state, county, and municipal law enforcement cooperation with federal civil immigration enforcement across all New Jersey jurisdictions.

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#30New York(NY)2 rules

E-Verify Mandates

Some Restrictions

New York has no statewide E-Verify mandate; employers rely on the federal Form I-9 process while New York Labor Law and Human Rights Law restrict status discrimination and protect undocumented workers.

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Sanctuary Policy Preemption

Some Restrictions

New York's Green Light Law limits state and local cooperation with federal immigration enforcement and shields DMV records, applying uniformly to every county, city, town, and village in the state.

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#31Rhode Island(RI)2 rules

E-Verify Mandates

Few Restrictions

Rhode Island has no statewide statutory mandate requiring private employers to use the federal E-Verify system, leaving participation voluntary except for certain state contractors under executive orders that have varied across administrations.

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Sanctuary Policy Preemption

Some Restrictions

Rhode Island has no statewide sanctuary preemption statute, leaving cities and towns free to set their own policies on cooperation with federal immigration enforcement, with Providence and Central Falls adopting limited sanctuary practices.

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#32Utah(UT)2 rules

E-Verify Mandates

Some Restrictions

Utah Code 63G-12-301 and following sections require private employers with 15 or more employees to use a status verification system such as E-Verify for new hires.

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Sanctuary Policy Preemption

Few Restrictions

Utah Code 17-22-9.5 requires county sheriffs to cooperate with federal immigration authorities, effectively preempting sanctuary policies through HB 497 enforcement provisions.

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#33Virginia(VA)2 rules

E-Verify Mandates

Some Restrictions

Code 40.1-11.2 requires every Virginia state agency and any employer with more than an enumerated workforce performing public contracts over $50,000 to enroll in and use the federal E-Verify program for new hires.

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Sanctuary Policy Preemption

Some Restrictions

Code 19.2-83.7 requires Virginia jails to notify ICE before releasing inmates subject to detainers, while 2020 reforms barred state agencies from inquiring into immigration status for service eligibility absent legal requirement.

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#34West Virginia(WV)2 rules

E-Verify Mandates

Some Restrictions

West Virginia does not impose a universal statewide E-Verify mandate on private employers, leaving federal law and limited public contracting rules to govern verification.

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Sanctuary Policy Preemption

Some Restrictions

West Virginia has no statewide statute banning sanctuary jurisdictions, though legislation such as HB 4456 has been introduced in the Legislature without becoming law.

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#35Wyoming(WY)2 rules

E-Verify Mandates

Few Restrictions

Wyoming has not enacted a statute requiring private employers or public contractors to use the federal E-Verify employment eligibility system. Use of E-Verify in Wyoming remains voluntary except where required by federal contracts or federal law.

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Sanctuary Policy Preemption

Some Restrictions

Wyoming has not enacted a statewide sanctuary policy or a statewide ban on sanctuary jurisdictions. Cooperation with federal immigration authorities is generally a matter of local sheriff and police discretion within federal constitutional limits.

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#36Pennsylvania(PA)1 rule

E-Verify Mandates

Some Restrictions

Pennsylvania's Public Works Employment Verification Act (43 P.S. Section 167.1 et seq.) requires public works contractors and subcontractors statewide to enroll in and use the federal E-Verify system to confirm work authorization for new employees.

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#37Alaska(AK)2 rules

E-Verify Mandates

Few Restrictions

Alaska has not enacted a statute requiring private employers to use the federal E-Verify system, and there is no statewide preemption either compelling or banning local E-Verify ordinances.

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Sanctuary Policy Preemption

Few Restrictions

Alaska has not enacted statewide sanctuary protections or a statewide ban on sanctuary policies, leaving immigration cooperation decisions to individual municipalities and law enforcement agencies.

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#38Arkansas(AR)2 rules

E-Verify Mandates

Few Restrictions

Arkansas Code 19-11-105 requires state agencies and contractors performing public work to verify employment eligibility through E-Verify or an equivalent program. Noncompliant contractors may face debarment or contract termination.

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Sanctuary Policy Preemption

Few Restrictions

Arkansas prohibits sanctuary policies through Act 1042 of 2021, codified at Arkansas Code 14-1-104 and following. Cities and counties limiting cooperation with federal immigration authorities risk losing state funding and discretionary grants.

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#39Delaware(DE)2 rules

E-Verify Mandates

Few Restrictions

Delaware does not require private employers to use the federal E-Verify system, and the state has not enacted a universal employment verification mandate beyond federal Form I-9 obligations.

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Sanctuary Policy Preemption

Few Restrictions

Delaware has no statewide statute mandating or prohibiting sanctuary policies, leaving cooperation with federal immigration authorities to local police and county discretion within general law enforcement statutes.

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#40Kansas(KS)2 rules

E-Verify Mandates

Few Restrictions

Kansas does not impose a statewide E-Verify mandate on private or public employers, leaving participation voluntary under federal program rules.

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Sanctuary Policy Preemption

Few Restrictions

Kansas has no statewide statute prohibiting or mandating sanctuary policies, leaving immigration cooperation decisions largely to local jurisdictions.

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#41Montana(MT)2 rules

E-Verify Mandates

Few Restrictions

Montana has not enacted a statewide E-Verify mandate for private employers, leaving use of the federal employment eligibility system voluntary except for federal contractors.

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Sanctuary Policy Preemption

Few Restrictions

Montana has no statewide sanctuary preemption law in force; HB 200 attempted to ban sanctuary jurisdictions but was vetoed, leaving local discretion under existing cooperation norms.

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#42Nevada(NV)2 rules

E-Verify Mandates

Few Restrictions

Nevada does not mandate E-Verify use by private employers, though state agencies and certain public contractors may participate voluntarily under federal contractor rules.

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Sanctuary Policy Preemption

Few Restrictions

Nevada has no statewide statute mandating or prohibiting sanctuary policies, leaving counties and cities free to set their own immigration cooperation rules.

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#43New Mexico(NM)2 rules

E-Verify Mandates

Few Restrictions

New Mexico does not mandate use of the federal E-Verify employment eligibility system for private employers and imposes no statewide statutory verification requirements beyond federal Form I-9.

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Sanctuary Policy Preemption

Few Restrictions

New Mexico has no statewide statute making it a sanctuary state, though a 2019 executive directive limits state law enforcement cooperation with federal immigration authorities for civil enforcement purposes.

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#44North Dakota(ND)2 rules

E-Verify Mandates

Few Restrictions

North Dakota does not require private employers to use E-Verify, leaving participation in the federal employment verification system voluntary for most businesses statewide.

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Sanctuary Policy Preemption

Few Restrictions

North Dakota has no statewide sanctuary preemption law, leaving cities and counties free to set their own immigration enforcement cooperation policies under home rule authority.

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#45Oregon(OR)2 rules

E-Verify Mandates

Few Restrictions

Oregon does not mandate E-Verify use by private employers and has no statewide statute requiring electronic employment eligibility verification beyond federal I-9 rules.

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Sanctuary Policy Preemption

Few Restrictions

Oregon enacted the nation's oldest statewide sanctuary law, ORS 181A.820, barring state and local agencies from using resources to enforce federal civil immigration law.

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#46South Dakota(SD)2 rules

E-Verify Mandates

Few Restrictions

South Dakota does not require private employers or most public employers to use E-Verify, leaving participation voluntary except where federal contracts impose it.

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Sanctuary Policy Preemption

Few Restrictions

South Dakota has no statewide statute banning sanctuary policies or compelling local cooperation with ICE, leaving immigration enforcement choices to local governments and federal partners.

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