| Tag | Field Name | XML Name | Data Type | Union Datatype | Description | Added | Depr. | Enums from tag |
|---|---|---|---|---|---|---|---|---|
| 1222 | MaturityRuleID | @MatRuleID | String |
Allows maturity rule to be referenced via an identifier so that rules do not need to be explicitly enumerated | Added FIX.5.0 EP52 |
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