| AgeBucket | Defines the age range category or bucket a guest can be booked into. |
| AgeQualifyingCode | Defines an age range or age category of a guest (e.g., under 21, over 65, teen, infant). Refer to OpenTravel Code List Age Qualifying Code (AQC). |
| AgeTimeUnit | TimeUnit : Qualifier for Age. |
| MaxAge | Max Age: The maximum age to qualify for AgeQualifyingCode. |
| MinAge | MinAge: The minimum age to qualify for AgeQualifyingCode. |
| MaxOccupancy | Maximum number of persons allowed in a unit of accommodation or place. |
| MinOccupancy | Minimum number of persons allowed in a unit of accommodation or place.Used for Numeric values, from 0 to 99 inclusive. |