Preserving Counterterrorism Capabilities Act of 2026

This bill extends the authorization deadline for the Department of Homeland Security's Countering Weapons of Mass Destruction Office to February 28, 2027. It modifies Section 1901 of the Homeland Security Act of 2002 to prevent the office's funding and operational authority from expiring earlier than intended. This change directly affects the office's ability to continue its counterterrorism work without interruption through 2027. The provision is a straightforward extension of existing authorization, with no new programs or requirements.