Special Notice: The closing date for submission of the Phase 1 whitepaper for CTT CSO Increment 1 AoI has been extended from 1:00 P. M. EDT on April 6, 2026 to 1:00 P. M. EDT on April 8, 2026.

The Department of the Army has issued a Special Notice announcing an extension to the submission deadline for Phase 1 whitepaper materials related to the CTT CSO Increment 1 Area of Interest (AoI). This opportunity, posted on April 1, 2026, is categorized under Heavy Duty Truck Manufacturing and Combat, Assault, and Tactical Vehicles (Wheeled) procurement categories. The notice serves to inform contractors of changes to the original solicitation timeline, ensuring adequate time for proposal preparation and submission. No set-aside restrictions apply to this opportunity, meaning it is open to all eligible contractors. The Department of the Army continues to seek qualified vendors capable of supporting its requirements in this specialized vehicle procurement area.

The original Phase 1 whitepaper submission deadline of April 6, 2026 at 1:00 P.M. EDT has been extended to April 8, 2026 at 1:00 P.M. EDT, providing contractors with an additional two-day window to complete and submit their proposals. Contractors interested in responding must refer to the updated solicitation document titled "CTT Increment 1 AOI_Revision1" posted to the Contracting Service Organization (CSO) portal, which contains the revised deadline highlighted for easy identification. The Phase 1 whitepaper submission represents an initial stage in the CTT (possibly Contracting Technology or similar) procurement process, likely designed to evaluate contractor capabilities and technical approaches. While specific eligibility criteria are not detailed in this notice, contractors should review the complete solicitation documentation to understand qualification requirements and submission guidelines. This extension provides additional opportunity for contractors to refine their proposals and ensure compliance with all technical and administrative requirements prior to the new deadline.