This check box may be selected only if there is no inventory available for this room type at the property, for example. The same validation checks for deleting a room type remain in effect for inactivating a room type. These include the following: the room type cannot be associated with a rate code; it cannot be associated with a current and/or future reservation; it cannot be associated with an active business block; it cannot have room numbers associated with it; and it cannot be part of a component room type configuration. (Inactive room types will not display as an option when you select the Room TypeLOV on the Reservation screen, when viewing the Rate Query Details screen, or when accessing the Room Grid from within the Business Blocks module.)