Which section of the ICS is accountable for developing and updating the Incident Action Plan (IAP)?

The correct answer is Plans. The Plans section of the Incident Command System (ICS) is specifically responsible for developing and updating the Incident Action Plan (IAP). This section is tasked with gathering and analyzing information regarding the incident, determining objectives, and outlining the strategies and tactics needed to achieve those objectives. The IAP is a crucial document that guides all operational activities during the incident response, and it must be regularly updated to reflect the evolving situation on the ground.

The Plans section collaborates with other sections, such as Operations and Logistics, to ensure that the IAP is comprehensive and actionable, integrating the resources and capabilities necessary for effective incident management. By focusing on the strategic aspects of incident response and coordination, the Plans section plays a critical role in the success of the overall incident command structure.