This amendment updates a requirement for the NCIS Central Field Office in Great Lakes, IL to upfit ten unmarked law enforcement vehicles with safety and security features. The vehicle completion date is updated to July 10, 2026, and the contract line items have been restructured into separate lines for labor and for materials/equipment. Partial delivery is accepted, and the vendor may bill upon the completion of each vehicle. The amendment also modifies the specifications list, replacing a specific preemption supply item with rear license plate lights.