A critical surveillance program used by the U.S. intelligence community is set to go dark this weekend after lawmakers failed to reach agreement on extending Section 702 of the Foreign Intelligence Surveillance Act, known as FISA. The impasse has created uncertainty about the nation’s ability to gather foreign intelligence and raised questions about what happens when one of the government’s most powerful surveillance tools expires.

Democrats in both the House and Senate blocked attempts to extend the program in what they described as a protest against President Donald Trump’s decision to appoint Housing chief Bill Pulte as acting director of national intelligence. The appointment injected partisan politics into what was already a contentious debate over surveillance powers and privacy rights.

The consequences of allowing the program to lapse remain unclear, with lawmakers offering conflicting assessments of the potential impact. Some argue that existing FISA court authorizations, which extend through March 2027, will allow intelligence gathering to continue despite the statutory expiration. Others warn that the lapse could create legal gray areas that might prompt major telecommunications companies and tech giants like Google to stop cooperating with intelligence requests without explicit congressional authorization.

Senator Mark Warner of Virginia, the top Democrat on the Senate Intelligence Committee, acknowledged the uncertainty surrounding the situation. “We don’t know the answer to that,” Warner said when asked about potential consequences. “But it is, obviously, a high-risk proposition.”

Section 702 allows the U.S. government to collect intelligence on foreign targets located abroad who use American communication systems. The program has become a cornerstone of national security operations, with intelligence gathered under its authority forming a significant portion of the president’s daily intelligence briefing. Intelligence officials have credited the program with disrupting terrorist plots, including a planned mass-casualty attack targeting a Taylor Swift concert in Austria in 2024, and combating cyber threats from hostile nations like North Korea.

However, the program has long faced criticism from privacy advocates in both parties because it inevitably sweeps up communications involving Americans who are in contact with foreign surveillance targets. These privacy concerns had already threatened reauthorization efforts before the current political dispute over leadership at the intelligence agencies.

House Minority Leader Hakeem Jeffries of New York criticized the Trump administration for complicating the renewal process. “What is clear is that we are going to have to address the issue of extending surveillance authority legislatively,” Jeffries told reporters. “And the problem is that the Trump administration has decided to toss this hand grenade into the middle of sensitive negotiations.”

Senate Republicans have pushed back on Democratic objections, arguing that the program is too important to national security to let expire over political disagreements. Senator John Kennedy of Louisiana contended that existing FISA certifications would allow surveillance to continue, noting that “it’s not like that will be the end of our ability to surveil foreign terrorists.”

House Majority Leader Steve Scalise of Louisiana echoed concerns about the security implications, stating, “Nobody disputes that FISA has been used to stop terrorist attacks on our homeland here. And why would anybody vote to end that tool is beside me.”

Even Trump’s subsequent nomination of former Securities and Exchange Commission Chairman Jay Clayton to serve as permanent director of national intelligence has failed to break the stalemate. Democrats have maintained their opposition to renewing the surveillance authority while Pulte remains in the acting role overseeing intelligence operations.

The timing of the lapse is particularly concerning given what officials describe as a heightened threat environment. The ongoing conflict with Iran, upcoming large-scale events including World Cup matches, and America’s 250th anniversary celebrations in 2026 all present potential security challenges that intelligence agencies would normally monitor using Section 702 authorities.

Senate Intelligence Committee Chair Tom Cotton of Arkansas warned colleagues about the potential consequences of inaction. “If we don’t extend it for at least a few weeks while we continue to try to work on our differences, the consequences could be severe,” Cotton said on the Senate floor. “The consequences, to be frank, could be fatal.”

The standoff is expected to continue into next week when the House begins a scheduled recess, meaning any resolution will likely take weeks rather than days. This marks the first extended lapse of the program since it was enacted in 2008, putting lawmakers in uncharted territory regarding the legal status of ongoing intelligence operations.

Democrats have placed responsibility for the crisis squarely on the Trump administration’s handling of intelligence leadership. “I cannot stress enough to you that none of this, none of this needed to happen,” Senator Warner said, arguing that the controversy over Pulte’s appointment was entirely avoidable and has now jeopardized a vital national security tool.