Many medium and large hotels in urban markets that have convention centers that use Housing Bureaus that handle hotel group blocks, pickups as well as report and calculate commissions. These are normally integrated with hotel PMS systems. Leaders in this area a CVENT/Passkey and Meeting Max. Their software allows groups and conventions to pickup rooms while the Housing Bureau manages the blocks for many small to large conventions. This automation saves time at the hotel from manually changing, booking or releasing room blocks. Several cities require hotels to report via automation versus manually to obtain the correct number of rooms picked up. In turn, commissions, concessions and rebates are calculated. Therefore, numbers must be accurately reported.