From the Purpose: "Publication 1 (Pub 1) is our capstone doctrine. It helps us as Federal Emergency Management Agency (FEMA) employees understand our role in the emergency management community and provides direction for how we conduct ourselves and make decisions each day. [...] The intent of our Pub 1 is to promote innovation, flexibility, and performance in achieving our mission. It promotes unity of purpose, guides professional judgment, and enables each of us to fulfill our responsibilities."
FP112-01; FEMA Policy 112-01
Federal Emergency Management Agency: https://www.fema.gov/