Defines the type of contingency.
| 1 | = | One Cancels the Other (OCO) | Added EP60
| | [OneCancelsTheOther] |
| 2 | = | One Triggers the Other (OTO) | Added EP60
| | [OneTriggersTheOther] |
| 3 | = | One Updates the Other (OUO) - Absolute Quantity Reduction | Added EP60
| | [OneUpdatesTheOtherAbsolute] |
| 4 | = | One Updates the Other (OUO) - Proportional Quantity Reduction | Added EP60
| | [OneUpdatesTheOtherProportional] |
| 5 | = | Bid and Offer | Added EP100
| | [BidAndOffer] |
| 6 | = | Bid and Offer OCO | Added EP100
| | [BidAndOfferOCO] |