X12
Inbound

CarMax X12 211 Motor Carrier Bill of Lading

CarMax
The EDI 211 (Motor Carrier Bill of Lading) document is used by CarMax for electronic data interchange. It enables automated processing and compliance with CarMax's trading partner requirements.
16segments
2loops
7mandatory

Schema Reference

16 segments · X12 211 Motor Carrier Bill of Lading

ISA ISA Interchange Control Header
Mandatory Max: 1
ISA01 Authorization Information Qualifier
M ID 2-2
ISA02 Authorization Information
M AN 10-10
ISA03 Security Information Qualifier
M ID 2-2
ISA04 Security Information
M AN 10-10
ISA05 Interchange ID Qualifier
M ID 2-2
ISA06 Interchange Sender ID
M AN 15-15
ISA07 Interchange ID Qualifier
M ID 2-2
ISA08 Interchange Receiver ID
M AN 15-15
ISA09 Interchange Date
M DT 6-6
ISA10 Interchange Time
M TM 4-4
ISA11 Repetition Separator M MIN 1 MAX 1 ID: I65 Type is not applicable; the repetition separator is a delimiter and not a data element; this field provides the delimiter used to separate repeated occurrences of a simple data element or a composite data structure; this value must be different than the data element separator, component element separator, and the segment terminator ISA12 Interchange Control Version Number
M ID 5-5
ISA13 Interchange Control Number
M N0 9-9
ISA14 Acknowledgment Requested
M ID 1-1
ISA15 Interchange Usage Indicator
M ID 1-1
GS GS Functional Group Header
Mandatory Max: 1
GS01 Functional Identifier Code
M ID 2-2
GS02 Application Sender's Code
M AN 2-15
GS03 Application Receiver's Code
M AN 2-15
GS04 Date
M DT 8-8
GS05 Time
M TM 4-8
GS06 Group Control Number
M N0 1-9
GS07 Responsible Agency Code
M ID 1-2
GS08 Version / Release / Industry Identifier Code
M AN 1-12
ST Transaction Set Header
Mandatory Max: 1
ST01 Transaction Set Identifier Code
M ID 3-3
ST02 Transaction Set Control Number
M AN 4-9
BOL Beginning Segment for the Motor Carrier Bill of Lading
Mandatory Max: 1
BOL01 Standard Carrier Alpha Code
M ID 2-4
BOL02 Shipment Method of Payment
M ID 2-2
BOL03 Shipment Identification Number
M AN 1-30
BOL04 Date
M DT 8-8
BOL06 Reference Identification
O AN 1-50
B2A Set Purpose
Mandatory Max: 1
B2A01 Transaction Set Purpose Code
M ID 2-2
B2A02 Application Type
O ID 2-2
L11 Business Instructions and Reference Number
Optional Max: 100
L1101 Reference Identification
C AN 1-50
L1102 Reference Identification Qualifier
C ID 2-3
G62 Date/Time
Optional Max: 6
G6201 Date Qualifier
C ID 2-2
G6202 Date
C DT 8-8
G6203 Time Qualifier
C ID 1-2
G6204 Time
C TM 4-8
K1 Remarks
Optional Max: 10
K101 Free-form Information
M AN 1-30
K102 Free-form Information
O AN 1-30
N1 Loop Repeat: 10
N1 Party Identification
Optional Max: 1
N101 Entity Identifier Code
M ID 2-3
N102 Name
C AN 1-60
N103 Identification Code Qualifier
C ID 1-2
N104 Identification Code
C AN 2-80
N3 Party Location
Optional Max: 2
N301 Address Information
M AN 1-55
N302 Address Information
O AN 1-55
N4 Geographic Location
Optional Max: 1
N401 City Name
O AN 2-30
N402 State or Province Code
C ID 2-2
N403 Postal Code
O ID 3-15
G61 Contact
Optional Max: 3
G6101 Contact Function Code
M ID 2-2
G6102 Name
M AN 1-60
G6103 Communication Number Qualifier
C ID 2-2
G6104 Communication Number
C AN 1-256
AT1 Loop Repeat: 9,999
AT1 Bill of Lading Line Item Number
Mandatory Max: 1
AT101 Lading Line Item Number
M N0 1-3
L11 Business Instructions and Reference Number
Optional Max: 100
L1101 Reference Identification
C AN 1-50
L1102 Reference Identification Qualifier
C ID 2-3
AT4 Bill of Lading Description
Optional Max: 99
AT401 Lading Description
M AN 1-50
SE Transaction Set Trailer
Mandatory Max: 1
SE01 Number of Included Segments
M N0 1-10
SE02 Transaction Set Control Number
M AN 4-9
How It Works

Automating CarMax EDI 211

Stacksync validates, transforms, and delivers your 211 transactions automatically — so your team can focus on operations, not EDI compliance.

Validate
Transform
Route
Monitor
Stacksync processes CarMax EDI 211 (Motor Carrier Bill of Lading) documents automatically — syncing data to your system in real time with no manual intervention required.

CarMax EDI 211 FAQ

Common questions about 211 Motor Carrier Bill of Lading transactions with CarMax.

How long does it take to set up CarMax EDI with Stacksync?

Most suppliers are fully connected and processing live CarMax EDI transactions within 3–5 business days. Stacksync's no-code setup means you don't need developers or EDI consultants — configure your field mappings through our visual interface, run a test cycle, and go live.

Do I need an existing VAN or AS2 connection to trade with CarMax?

No. Stacksync handles the entire EDI transport layer. We connect directly to CarMax's trading partner network through our certified connections. You don't need to manage a separate VAN subscription, AS2 certificates, or SFTP configurations.

How does Stacksync help with CarMax compliance?

Stacksync improves compliance scores by eliminating manual processing delays. Purchase Orders sync to your system in real time, ASNs are generated automatically when you ship, and invoices are validated with three-way matching before submission. Real-time monitoring alerts you to issues before they become chargebacks.

What EDI document types does Stacksync support for CarMax?

Stacksync supports all EDI document types required by CarMax — including Purchase Orders (850), Invoices (810), ASNs (856), PO Acknowledgments (855), and more. Our platform handles the full lifecycle from order to payment automatically.

Can I connect CarMax EDI to my existing ERP or WMS?

Yes. Stacksync integrates with any system that has a database or API — including SAP, Oracle, NetSuite, Microsoft Dynamics, and custom-built ERPs. Data flows bidirectionally between CarMax's EDI network and your system in real time.

What happens when CarMax updates their EDI specifications?

Stacksync monitors CarMax's EDI spec changes and updates our mappings proactively. When a change affects your integration, we notify you and apply updates — so you stay compliant without scrambling to decode new implementation guides.