The date on which the message is sent. Optionally, the time may be added, using the 24-hour clock, with an explicit indication of the time zone if required, in a format based on ISO 8601. Mandatory and non-repeating.
| Format |
| Permitted formats, where ‘T’ and ‘Z’ represent themselves (ie the letters T and Z), and where the symbol ‘±’ represents either ‘+’ or ‘-’ to indicate a timezone offset from UTC. |
| YYYYMMDD | Date only |
| YYYYMMDDThhmm | Date and time (local time of sender) |
| YYYYMMDDThhmmZ | Universal time (UTC) † |
| YYYYMMDDThhmm±hhmm | With time zone offset from UTC † |
| YYYYMMDDThhmmss | Date and time (with seconds) |
| YYYYMMDDThhmmssZ | Universal time (with seconds) |
| YYYYMMDDThhmmss±hhmm | With time zone offset from UTC (with seconds) |
| † indicates the preferred formats |
|
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| ReferenceName | <SentDateTime> |
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| ShortTag | <x307> |
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| Cardinality | 1 |
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| Example | 20100522T1230Z |
|---|