All Schema files in the OTA specification are made available according to the terms defined by the OTA License Agreement at http://www.opentravel.org/ota_downloads_form.cfm Fare calculation type (e.g. PointToPoint, Through, Joint, Private) To request ATPCO historical fare/rule information. To request fares for a specified agreement. To request all airline fares for the specified city pair, lowest to highest. All roundtrip airline fares for the specified city pair including one way fares. All airline fares for the specified city pair but no one way fares. Only one-way fares for all airlines for the specified city pair. Indicates preferences for choice of airline cabin. Indicates preferred airline cabin. Identifies preferences for airfare restrictions acceptable or not acceptable for a given travel situation. Refer to OTA Code List Fare Restriction (FAR). A date that is associated to the fare restriction. Indicates preferences for certain types of flights, such as connections or stopovers, when used for a specific travel situation. Indicates type of stops preferred (Nonstop, Direct, Connection). Indicates that if connection is chosen, then this attribute defines the maximum number of connections preferred. To specify which types of non-scheduled air service should be included. Only include non scheduled flights that are charter flights. Do not include non scheduled flights that are charters. Include both charter non scheduled flights and those that are not charters. If true, include connections where one of the enroute stops is the same as the initial board point or the final off point of the flight. If true, include flights that include at least one leg that is ground transportation. If true, direct and non-stop flights are requested. If true, only non-stop flights are requested. If true, only online connection flights are requested (i.e., same marketing airline). Specifies the travel routing preference. No special conditions. Outbound and inbound route of travel must be the same. Indicates preferences for seats or seat types. Identifies preferences for special services required for air travel, using standard industry (SSR-OSI) code list. Code of the special service request to be used for this air travel situation. Refers to standard industry code list. Identifies a collection of preferences for airline travel. Identifies the preferred loyalty program(s). Identifies the preferred airline carrier(s) by name. Preferred form(s) of payment. Identifies the preferred origination airport for travel (using IATA airport codes). Indicates the preferred connection airport(s) (using IATA airport codes).. Indicates preferred fare restrictions to be used in search. Indicates preferred flight characteristics to be used in a search (e.g., connections, stopovers). Indicates preferred equipment type(s) to be used in a search. Indicates preferred cabin(s) to be used in a search. Indicates preferred seat characteristics. Refer to OTA Code List Seat Preference (STP) for codes. Indicates preferred ticket distribution method (e.g., fax, eMail, courier, mail, airport pickup) Indicates preferred meal type (e.g., vegetarian, Kosher, low fat) Indicates preferred special request(s) to be used with this collection of preferences. Indicates Special Service Request preference type. Media and entertainment preferences. Indicates preferred information for pet accompanying traveler. Category of airline passenger, using standard ATPCO codes. Type of airline ticket preferred for this collection. Departure airport preferences, using IATA airport codes. Defines user preferences to be used in conducting a search. Specify vendors to include and exclude from the response. Defines preferred flight characteristics to be used in a search. Constrains a fare search to those with restrictions that satisfy user-imposed limitations. Container used for specifying or limiting acceptable fare restrictions. Identifies whether advance reservation or ticketing restrictions are acceptable in the search results Identifies whether restrictions on minimum or maximum stays should be included in the search results Identifies whether penalties associated with voluntary changes should be included in the search results Currency in which fare display is requested Display fare published in other than local selling currency only. Defines preferred equipment profile(s) to be used in a search. Defines preferred cabin(s) to be used in a search. Defines Distribution prefernces. Request smoking flights in response. Defaults to false - no desire for smoking flights. Request for flights in response that meet the given Department of Transport on-time rate. This is a number between 0 and 100. Request flights that are e-ticketable in the response. Request flights that have no more than the requested number of stops. Indicates preferences for type of airplane. Indicates if an airplane with multiple aisles is preferred.