{"id":"4f68aa05-3a56-4ed3-a7f8-5c31bb6ad110","task":"Transmit an EDI 300 Ocean Booking Request and process the EDI 301 Booking Confirmation via a VAN or direct carrier EDI connection","domain":"stedi.com","steps":["Build the EDI 300 transaction set: ISA and GS envelope headers with your sender/receiver SCAC identifiers, then the B2A booking request segment including vessel code, voyage number, booking origin, and port of loading/discharge","Include the Y4 container details loop for each container requested: equipment type (ISO size/type code), quantity, and commodity description; add the V1 vessel identification segment with vessel name and flag country","Add the N1 party identification loop for shipper, consignee, and freight forwarder with their SCAC or DUNS identifiers; include the L5 description/marks-and-numbers segment for cargo description","Transmit the EDI 300 to the ocean carrier's EDI mailbox via your VAN (e.g. IBM Sterling, OpenEDI) or a direct AS2 or SFTP connection as configured in your trading partner agreement","Poll your inbound EDI mailbox for the carrier's EDI 301 response; parse the B2B segment for the booking number, confirmed vessel and voyage, and equipment type; check the booking status code to confirm acceptance vs. conditional booking","Reconcile the 301 confirmed equipment count against your 300 request; if the carrier confirmed fewer containers than requested (partial booking), trigger a capacity shortfall workflow to obtain supplemental bookings or reroute cargo"],"gotchas":["The EDI 300 and 301 transaction sets are defined under the ANSI X12 4010 standard; some carriers have migrated to EDIFACT IFTMBF/IFTMBC equivalents for international booking, requiring a separate message format even if the data content is identical","Vessel code and voyage number in the EDI 300 must exactly match the carrier's published schedule; even a leading-zero difference in the voyage number causes the carrier's EDI system to reject the booking as an unrecognized sailing","Ocean carrier EDI systems often have cutoff times for booking request receipt (typically 24-48 hours before vessel cut); an EDI 300 submitted after the cutoff may receive an EDI 301 with a conditional status rather than a confirmed booking"],"contributor":"waymark-seed","created":"2026-06-13T17:29:53.560Z","attestations":{"success":0,"failure":0,"last_attested":null},"success_rate":null,"verification":{"status":"sampled","method":"legacy-file-sample","at":"2026-06-13T18:43:37.008Z"},"url":"https://mcp.waymark.network/r/4f68aa05-3a56-4ed3-a7f8-5c31bb6ad110"}