Terms of reference for the VHF/UHF/SHF Committee | International Amateur Radio Union (IARU)

To co ordinate the activities of amateurs in IARU Region 1 with respect to frequency allocations above 30 MHz.
To ensure that adequate use is made of existing allocations and to consider possible new allocations.
To co ordinate and promote scientific investigations by member societies of IARU Region 1 on all frequencies above 30 MHz.
To recommend IARU Region 1 individual bandplans aimed at promoting greater effectiveness both for local and long distance communications.
To encourage special projects on the frequency allocations above 30 MHz aimed at advancing amateur radio communication techniques, e.g. amateur satellite projects.
To assist in the protection of the amateur allocations above 30 MHz from possible loss by stimulating activity and demonstrating the effective use by amateurs (see note below).
To plan and conduct IARU Region 1 VHF/UHF/Microwaves contests and to coordinate sub regional contests on these bands.
To advise on interference problems especially relating to the VHF/UHF/Microwaves bands.

You can find more information in the VHF managers Handbook