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Due to the lapse in Congressional Appropriations for Fiscal Year 2019, the U.S. Department of Commerce is closed. Commerce Department websites will not be updated until further notice. For more information, see Shutdown Due to Lapse of Congressional Appropriations.


NTIA receives spectrum management and policy advice from Federal government experts through the Interdepartment Radio Advisory Committee (IRAC). The IRAC's basic function is 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 spectrum. The IRAC consists of a main committee, six subcommittees, and several ad hoc working groups that consider various aspects of spectrum management policy such as emergency preparedness or the allocation of frequency assignments.

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