Senate negotiations on a temporary spending bill are slipping behind schedule as lawmakers face pressure to reach a bipartisan agreement before their August recess.

Senior appropriators had aimed to release legislative text before the weekend for a stopgap measure designed to extend government funding into early December. The delay signals difficulties in working out technical details between both parties, even as leaders express confidence in eventual passage.

The timing matters. Congress must approve funding legislation before fiscal year 2024 ends on September 30, or face a government shutdown. A short-term stopgap bill would give lawmakers additional time to negotiate the full appropriations package for fiscal 2025, avoiding a potential closure during campaign season when neither party wants operational disruption.

The Senate's August recess looms as a hard deadline. If senators cannot finalize a stopgap deal before leaving for the break, negotiations would stall for weeks, compressing the timeline dangerously. This scenario would force lawmakers to choose between passing a last-minute spending measure after returning in September or allowing agencies to shut down.

Republican and Democratic appropriators typically cooperate on stopgap funding, viewing such measures as routine housekeeping. But this year's negotiations reflect broader partisan tensions over government spending levels and policy riders. Neither side wants to concede ground on budget numbers before the final negotiations begin in the fall.

The House has not yet moved on its own spending bill, adding another complication. Both chambers need time to reconcile different approaches before sending final legislation to President Biden for signature.

Sources within the appropriations committees remained optimistic about reaching a deal, citing past successful negotiations on temporary measures. But the slipping timeline suggests that confidence may be tested if leaders cannot resolve outstanding disputes over the next week.