Which ICS Function Is Responsible For Documentation Of Mutual Aid Agreements?

The Planning Section is the ICS function responsible for documentation of mutual aid agreements.

For example, in a large-scale disaster that overwhelms local resources, mutual aid agreements documented by the Planning Section enable the quick and efficient request and deployment of additional resources from neighboring jurisdictions or organizations.

Source: https://training.fema.gov/is/courseoverview.aspx?code=IS-100.c&lang=en