Republicans hold narrow majorities in both chambers, enabling use of the budget reconciliation process to advance spending, tax, and border-related measures with simple majorities while bypassing the Senate filibuster. They already enacted two such packages in this Congress, including the Secure America Act signed in June 2026 for immigration enforcement funding. A proposed third package of roughly $95 billion covering defense, agriculture aid, and voter ID provisions advanced in the House earlier in the year but faced Senate hurdles under the Byrd Rule. With midterm elections weeks away and a lame-duck session looming, party-line dynamics, internal GOP divisions over spending levels, and any shift in House control will shape prospects for additional reconciliation legislation before year-end procedural deadlines.