| Tag | Name | Type | Required | Description | 
|---|---|---|---|---|
| 1236 | NumInGroup | Number of maturity rules in MaturityRules component block
 | ||
| 1222 | String | Allows maturity rule to be referenced via an identifier so that rules do not need to be explicitly enumerated
 | ||
| 1303 | Int Enum | Format used to generate the MMY for each option contract:
 | ||
| 1302 | Int Enum | Enumeration specifying the increment unit:
 | ||
| 1241 | MonthYear | Starting maturity for the range to which the StrikeIncrement applies. Price refers to the price of the underlying
 | ||
| 1226 | MonthYear | Ending maturity month year to which the StrikeIncrement applies. Price refers to the price of the underlying
 | ||
| 1229 | Int | Value by which maturity month year should be incremented within the specified price range
 |