The basic functions of the IRAC are to assist the Assistant Secretary in assigning frequencies to U.S. Government radio stations and in developing and executing policies, programs, procedures, and technical criteria pertaining to the allocation, management, and use of the electromagnetic spectrum. The basic role of the representatives appointed to serve on the IRAC is to function, when in Committee, in the interest of the United States as a whole.
Composition of the IRAC:
- Members: Dept. of Agriculture, Air Force, Army, Broadcasting Board of Governors, Coast Guard, Dept. of Commerce, Dept. of Energy, Federal Aviation Administration, Dept. of Homeland Security, Dept. of the Interior, Dept. of Justice, National Aeronautics and Space Administration, Navy, National Science Foundation, Dept. of State, Dept. of Transportation, Dept. of the Treasury, United States Postal Service, Dept. of Veterans Affairs
- Liaison: Federal Communications Commission
Substructure of the IRAC
The permanent substructure of the IRAC consists of the IRAC Secretariat and the:
- Emergency Planning Subcommittee (EPS) 
- Frequency Assignment Subcommittee (FAS) 
- Radio Conference Subcommittee (RCS) 
- Space Systems Subcommittee (SSS) 
- Spectrum Planning Subcommittee (SPS) 
- Technical Subcommittee (TSC )
The IRAC may create subcommittees, ad hoc, or working groups to deal with specific topics.
- Detailed information on the IRAC can be found in Chapter 1 of the NTIA Manual of Regulations and Procedures for Federal Radio Frequency Management (the Redbook) 
- IRAC Committee Membership & Contact Information  (as of February 20, 2015) [PDF]
- Officers for IRAC, subcommittees, and ad hoc groups  (as of February 18, 2015) [PDF]
Private Sector Participation
- Are you interested in scheduling a briefing to the IRAC ?
- Are you interested in attending a scheduled public briefing ?