This document discusses hotel room tariffs and rates. It explains that room rates are determined by factors like costs, level of services, competition, target market, location and amenities. There are different bases for charging room rates, including check-out time basis (most common), 24 hour basis, night spent basis, and day use basis. Under check-out time basis, guests must vacate by a set check-out time or pay for an additional day. Rack rates are the published maximum rates before discounts, while various discounted rates like corporate and seasonal rates are also offered to attract different market segments.