| Tag | Name | Type | AssociatedDataTag | AbbrName | BaseCategory | BaseCategoryAbbrName | NotReqXML | EnumDatatype | UnionDataType | Description | Elaboration | Deprecated |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 8 | Identifies beginning of new message and session protocol version by means of a session profile identifier (see FIX Session Layer for details). ALWAYS FIRST FIELD IN MESSAGE. (Always unencrypted). | |||||||||||
| 1128 | Specifies the application layer version being applied at the message level. |
| Tag | Value | SymbolicName | Group | Sort | Description | Elaboration |
|---|---|---|---|---|---|---|
| 8 | FIX.4.2 | FIX42 | 1 | Session profile FIX.4.2 | ||
| 8 | FIX.4.4 | FIX44 | 2 | Session profile FIX4 | ||
| 8 | FIXT.1.1 | FIXT11 | 3 | Session profile FIXT or LFXIT | The choice between FIXT and LFIXT is subject to counterparty agreement. |