| FromDepartPeriod | A length of time expressed as either an amount of time or the number of occurrences of a day of the week before departure that a ticket must be purchased. |
| FromDepartTimeOfDay | The time of day prior to departure when that a ticket must be purchased. |
| FromDepartUnit | The unit of elapsed time or the day of the week to be applied to the the period before departure that a ticket must be purchased.Defines the 'Units' that can be applied to Stay restrictions. |
| FromResPeriod | A length of time expressed as either an amount of time or the number of occurrences of a day of the week after reservations are made that a ticket must be purchased. |
| FromResTimeOfDay | The time of day after reservations are made by which a ticket must be purchased. |
| FromResUnit | The unit of elapsed time or the day of the week to be applied to the period after reservation are made that a ticket must be purchased.Defines the 'Units' that can be applied to Stay restrictions. |