| BookingInstruction | Booking and upgrade instructions. |
 BookingReferenceID | The passenger PNR or other booking reference ID.An identifier used to uniquely reference an object in a system (e.g. an airline reservation reference, customer profile reference, booking confirmation number, or a reference to a previous availability quote). |
| Commission | Commission information associated with the offer.Contains details pertaining to commissions. |
| LongDescription | A detailed description of the ancillary item.Collection of formatted text sub sections. |
| Multimedia | Images, etc. of the ancillary item. |
| OriginDestination | Origin and Destination location and time information for the trip. |
| OtherServices | Information related to non air products, such as lounge passes and clothing. |
 Pricing | Offer pricing information, including amounts, tax(s), service family, pricing rules, pricing influencers, exchange rate and redemption amounts. |
| Restriction | Restrictions that apply to the priced offer, such as “Seat requests available up to 24 hours before departure". |
| SeatInfo | Additional details on seat offers or change requests. |
| ServiceFamily | Airline or ATPCO encoded service family(s).Detailed information about an ancillary item component, including name, descriptions, pricing and multimedia. |
| ShortDescription | A detailed description of the ancillary item.Provides text and indicates whether it is formatted or not. |
| TermsAndConditions | Terms and conditions that apply to the offer. |
| TPA_Extensions | A placeholder in the schema to allow for additional elements and attributes to be included per Trading Partner Agreement (TPA).Allows extensions to be added to the OpenTravel specification per trading partner agreement. |
| TripInsurance | Trip insurance offer information. |