Four Years – Four Exceptional Incentives Enjoy extraordinary savings through 2029 at the Hilton Garden Inn Austin Downtown on contracted group programs of 50+ rooms on peak - 12% in Commissions (planners may enjoy a 7% commission, plus an additional 5% BPI on group rates, or gift the BPI back to the group as a rebate) - 30% Cumulative Attrition - 20% Off Banquet Food and Beverage, excluding alcohol, based on menus issued for year of consumption - 25% Off Valet Parking