There is a basic bargain between Californians and their government. We provide personal information because the state tells us it is necessary. Names, addresses, Social Security numbers, birth dates and other sensitive details are collected with the promise they will be protected.

For more than a million immigrants, that promise was especially important. When California enacted Assembly Bill 60, allowing undocumented residents to obtain driver’s licenses, the state encouraged people to come forward, identify themselves and participate in a government program. The law included protections designed to ensure that the information collected would not be used to determine citizenship or immigration status.

Now that promise is being questioned.

According to CalMatters, California is preparing to place driver’s license information into a national verification system operated by the American Association of Motor Vehicle Administrators. The system includes the last five digits of a Social Security number and can use “99999” for people who do not have one. Privacy and immigrant-rights advocates worry those distinctions could make it easier to identify people without legal status if immigration authorities ever gained access.

State officials say safeguards will restrict access and prevent federal immigration agencies from conducting broad searches. Those protections matter. But for families who trusted California years ago, the situation raises an understandable question: if information provided under one set of assurances is later shared through another system, has the original promise changed?

The concern extends beyond immigration. Governments collect enormous amounts of personal information for driver’s licenses, public benefits, schools, taxes and countless other services. People provide that information because they believe it will remain protected.

That trust becomes fragile if privacy depends on the political priorities of the moment.

California has long presented itself as a leader in protecting immigrant communities, yet even here officials have found themselves balancing state promises against federal identification requirements. That tension is a reminder that political leadership changes, laws evolve and government databases become increasingly interconnected.

The lesson is larger than this single policy debate. Before government asks for sensitive personal information, it should be able to explain not only why it needs the information today, but who may have access to it tomorrow, whether it can be shared with other systems and what protections will remain if administrations or laws change.

Privacy cannot rest solely on promises from today’s elected officials. It must be backed by durable legal protections that survive changes in politics, leadership and policy.

For immigrant families who trusted California, that principle is being tested today. For everyone else, it is a reminder that once personal information enters a government database, control over where it may eventually go becomes far more uncertain.