EDI 990 (Response to a Load Tender) is an X12 transaction set used for general information requested for a specific shipment. EDI 990 is used as a response to EDI 204, which is used as a load tender.

EDI 214 (Transportation Carrier Shipment Status Message) is an X12 transaction set that transportation carriers use to send shipment statuses, including time, date, location, route, identification numbers, and conveyance, to the shippers, consignees, and other parties.

EDI 204 (Motor Carrier Load Tender) is an X12 transaction set that shippers or other parties use to tender a shipment to full-load motor carriers. It includes shipping instructions, schedule details, equipment requirements, and commodities apposite a load tender. It is not used for less-than-truckload bills, pickup notifications, or manifest data.