Texas law bars noncitizens from registering or voting, and the state has several ways to flag questionable records. But a flag is not proof of an illegal vote, leaving a wide gap between suspicion, removal from voter rolls and a substantiated case.
Ken Paxton is looking for noncitizen voters in Texas elections, but he is struggling to find substantiated cases. That distinction matters because Texas has a firm citizenship requirement for voting and several systems designed to identify potentially ineligible registrations—yet a potential match is not the same as proof that a noncitizen voted illegally.
The available Texas guidance helps explain the challenge. State election officials can flag records using driver-license information, jury-service notices and voter challenges, but counties must investigate before cancelling a registration. Establishing an actual illegal vote requires a still more specific showing.
Texas law is unambiguous
Texas does not permit noncitizens to register or vote in its elections. The Texas Constitution limits qualified voters to U.S. citizens, and the Texas Election Code likewise makes citizenship a requirement for both registration and voting.

The Secretary of State’s June 4, 2024 election advisory also says federal law prohibits noncitizens from voting in elections that include federal offices. The advisory warns that false citizenship claims on a registration application can carry criminal consequences under state and federal law.
That legal baseline is important in any debate over election administration: the question is not whether noncitizen voting is allowed. It is how officials can accurately determine when an individual registration is ineligible and, separately, whether that person actually cast a ballot.
A flagged record is not proof
Texas’ process is built around leads, not automatic conclusions. The Secretary of State receives weekly data from the Department of Public Safety involving people who presented evidence of non-U.S. citizenship when getting or renewing a driver license or identification card.
The state compares that data with its voter-registration database using matching criteria. Records that appear to match are sent to county voter registrars for review.
But the state’s own description shows why the process demands caution. A person may have registered before the later motor-vehicle transaction, and a data match may raise questions that need to be resolved rather than establish wrongdoing on its own. The county registrar, not a broad database sweep, must determine whether the voter remains eligible.
That is one reason Paxton’s search for substantiated cases faces a high evidentiary bar. Identifying a record worth checking is different from proving a person was a noncitizen at the relevant time, was improperly registered and then voted.
Counties must give voters notice
When a registrar has reason to believe a voter is no longer eligible because of citizenship, Texas law provides a process. The voter receives a notice requesting proof of citizenship.
According to the Secretary of State advisory, the voter generally has 30 days to respond. If the voter does not provide proof of citizenship or otherwise respond within that period, the registration is cancelled.
That safeguard serves two purposes that can pull against each other politically. It gives election officials a route to remove ineligible registrations, while also recognizing that citizenship status should not be determined solely by a computer match or an unreviewed outside record.
Critics of aggressive voter-roll purges have long argued that flawed matches can threaten eligible citizens with improper cancellation. Supporters of stronger enforcement argue that election offices need reliable tools to catch registrations that should not be on the rolls. Texas’ notice-and-review process reflects the fact that both concerns are real.
Jury records create another lead
Texas also uses jury-service information. Court clerks provide information involving people excused or disqualified from jury service because they are not citizens, are not county residents or are deceased, and the Secretary of State compares that information with voter-registration records.
If a person declined jury service because they were not a U.S. citizen, the relevant county registrar receives the information and can send a citizenship notice. Again, the notification begins an investigation; it does not by itself establish that the person cast an unlawful ballot.
Private citizens can also challenge a voter’s registration on citizenship grounds. That route involves a hearing, and a challenged voter can present proof of citizenship and eligibility.
The multiple pathways show that Texas has mechanisms to pursue credible concerns. They also show why public claims about noncitizen voting require precision: registration eligibility, list maintenance, cancelled registrations, referrals and proven ballots are different categories.
Why the distinction shapes politics
Claims about noncitizen voting carry unusual political weight because they touch immigration, trust in elections and the legitimacy of outcomes. A large headline number can sound definitive even when it refers only to names identified for review.
For that reason, the most useful questions are concrete ones: How many people were initially flagged? How many were confirmed ineligible after notice and review? How many had actually voted while ineligible? And how many cases led to a formal finding or prosecution?
The material available here does not provide a tally answering those questions for Paxton’s effort. It does, however, make clear why an investigation may produce fewer substantiated cases than initial voter-roll leads. The state’s system is designed to screen for possible ineligibility, then test those indications through county-level review.
The unresolved evidence question
Paxton’s effort puts a familiar election-policy tension in focus. Texas officials have a legal obligation to keep ineligible voters off the rolls, while election administrators also have an obligation to avoid removing eligible voters based on incomplete information.
Both obligations depend on careful documentation. A citizenship-related flag may warrant contact with a voter. A cancelled registration may demonstrate that a person did not complete the state’s eligibility process. Neither fact alone necessarily proves an illegal vote occurred.
As debate over Texas elections continues, the strongest claims will be those that clearly separate allegations from verified findings—and voter-roll maintenance from evidence of ballots unlawfully cast. That is the difficult gap Paxton’s search for noncitizen voters has exposed.











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