FICSA is mandated to participate in interagency bodies that make decisions about conditions of service and is able to influence those decisions. FICSA plays an important role in consultations with decision-makers at the interagency level. The Federation is the recognized representative of staff in the following bodies:

United Nations System Chief Executive Board for Coordination (CEB)

High-Level Committee on Management (HLCM)

HR Network

Task Forces

International Civil Service Commission (ICSC)

Inter-Agency Security Management Network

The Federation has an observer seat at the United Nations Joint Staff Pension Board
The Federation addresses the Fifth Committee of the United Nations General Assembly

FICSA is also recognized in the ICSC Statute to represent staff interests. That recognition serves as the mandate to work with the other interagency bodies.