| Tag | Field Name | XML Name | Data Type | Union Datatype | Description | Added | Depr. | Enums from tag |
|---|---|---|---|---|---|---|---|---|
| 168 | EffectiveTime | @EfctvTm | UTCTimestamp |
Time the details within the message should take effect (always expressed in UTC (Universal Time Coordinated, also known as "GMT") | Added FIX.4.1 |
|