Code specifying a special service.

To specify a time.

To specify a time.

To specify a date.

Name of the location.

To identify a location.

Code identifying the function of a location.

A code specifying a characteristic.

To identify a first related location.

Identification of the name of the country or other geographical entity as defined in ISO 3166-1 and UN/ECE Recommendation 3.

Free form description of a special service.

Free form description of a characteristic.

Code specifying the action to be taken or already taken.

To identify a second related location.

Code specifying the language name.

The number of repetitions in a given time.

Code specifying the unit of measurement.

Alphanumeric representation of a quantity.

Name of a party.

Code qualifying the function of a date, time or period.

The value of a date, a date and time, a time or of a period in a specified representation.

Code specifying the representation of a date, time or period.

Free form text.