Joint Information System Law and Legal Definition

Joint information system means a system that merges incident information and public affairs into a united organization intended to provide consistent, coordinated, and timely information during a crisis or incident operations. Its mission includes:

a. to provide a structure and system for developing and delivering coordinated interagency messages;

b. to develop, recommend, and execute public information plans and strategies on behalf of the incident commander;

c. to advise the incident commander on public affairs issues that could affect a response effort, and controlling rumors and inaccurate information that could undermine public confidence.