X12
Outbound

MEC Mountain Equipment Company Ltd X12 855 Purchase Order Acknowledgment

MEC Mountain Equipment Company Ltd (via SPS Commerce)
The EDI 855 confirms receipt and acceptance of a MEC Mountain Equipment Company Ltd Purchase Order. Suppliers must respond promptly indicating whether the order is accepted, rejected, or accepted with changes to maintain compliance standing.
22segments
8loops
5mandatory

Schema Reference

22 segments · X12 855 Purchase Order Acknowledgment

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
BAK Beginning Segment for Purchase Order Acknowledgment
Mandatory Max: 1
BAK01 Transaction Set Purpose Code
M ID 2-2
BAK02 Acknowledgment Type
M ID 2-2
BAK03 Purchase Order Number
M AN 1-22
BAK04 Date
M DT 8-8
BAK09 Date
O DT 8-8
REF Reference Information
REF01 Reference Identification Qualifier
M ID 2-3
REF02 Reference Identification
C AN 1-50
PER Administrative Communications Contact
Optional Max: 3
PER01 Contact Function Code
M ID 2-2
PER02 Name
O AN 1-60
PER03 Communication Number Qualifier
C ID 2-2
PER04 Communication Number
C AN 1-256
PER05 Communication Number Qualifier
C ID 2-2
PER06 Communication Number
C AN 1-256
DTM Date/Time Reference
Optional Max: 10
DTM01 Date/Time Qualifier
M ID 3-3
DTM02 Date
C DT 8-8
TXI Tax Information
TXI01 Tax Type Code
M ID 2-2
TXI03 Percentage as Decimal
C R 1-10
N9 Loop Repeat: 1,000
N9 Extended Reference Information
Optional Max: 1
N901 Reference Identification Qualifier
M ID 2-3
N902 Reference Identification
C AN 1-50
MTX Text
MTX02 Textual Data
C AN 1-4096
PO1 Loop Repeat: 100,000
PO1 Baseline Item Data
Optional Max: 1
PO101 Assigned Identification
O AN 1-20
PO102 Quantity
C R 1-15
PO103 Unit or Basis for Measurement Code
O ID 2-2
PO104 Unit Price
C R 1-17
PO106 Product/Service ID Qualifier
C ID 2-2
PO107 Product/Service ID
C AN 1-48
PO108 Product/Service ID Qualifier
C ID 2-2
PO109 Product/Service ID
C AN 1-48
PO110 Product/Service ID Qualifier
C ID 2-2
PO111 Product/Service ID
C AN 1-48
PID Loop Repeat: 1,000
PID Product/Item Description
Optional Max: 1
PID01 Item Description Type
M ID 1-1
PID02 Product/Process Characteristic Code
O ID 2-3
PID05 Description
C AN 1-80
SAC Loop Repeat: 25
SAC Service, Promotion, Allowance, or Charge Information
Optional Max: 1
SAC01 Allowance or Charge Indicator
M ID 1-1
SAC02 Service, Promotion, Allowance, or Charge Code
C ID 4-4
SAC05 Amount
O N2 1-15
SAC06 Allowance/Charge Percent Qualifier
C ID 1-1
SAC07 Percent, Decimal Format
C R 1-6
SAC15 Description
C AN 1-80
ACK Loop Repeat: 104
ACK Line Item Acknowledgment
Optional Max: 1
ACK01 Line Item Status Code
M ID 2-2
ACK02 Quantity
C R 1-15
ACK03 Unit or Basis for Measurement Code
C ID 2-2
ACK04 Date/Time Qualifier
O ID 3-3
ACK05 Date
C DT 8-8
ACK07 Product/Service ID Qualifier
C ID 2-2
ACK08 Product/Service ID
C AN 1-48
ACK09 Product/Service ID Qualifier
C ID 2-2
ACK10 Product/Service ID
C AN 1-48
ACK11 Product/Service ID Qualifier
C ID 2-2
ACK12 Product/Service ID
C AN 1-48
TXI Tax Information
TXI01 Tax Type Code
M ID 2-2
TXI03 Percentage as Decimal
C R 1-10
N9 Loop Repeat: 1,000
N9 Extended Reference Information
Optional Max: 1
N901 Reference Identification Qualifier
M ID 2-3
N902 Reference Identification
C AN 1-50
MTX Text
MTX02 Textual Data
C AN 1-4096
N1 Loop Repeat: 200
N1 Party Identification
Optional Max: 1
N101 Entity Identifier Code
M ID 2-3
N102 Name
C AN 1-60
N4 Geographic Location
Optional Max: 1
N404 Country Code
C ID 2-3
CTT Loop Repeat: 1
CTT Transaction Totals
Optional Max: 1
CTT01 Number of Line Items
M N0 1-6
AMT Monetary Amount Information
Optional Max: 1
AMT01 Amount Qualifier Code
M ID 1-3
AMT02 Monetary Amount
M R 1-18
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 MEC Mountain Equipment Company Ltd EDI 855

Stacksync validates, transforms, and delivers your 855 transactions automatically — so your team can focus on operations, not EDI compliance.

Validate
Transform
Route
Monitor
Stacksync generates and sends 855 Purchase Order Acknowledgments automatically when your system confirms an order. Accept, reject, or modify line items through your ERP — Stacksync handles the EDI formatting and transmission.

MEC Mountain Equipment Company Ltd EDI 855 FAQ

Common questions about 855 Purchase Order Acknowledgment transactions with MEC Mountain Equipment Company Ltd.

How long does it take to set up MEC Mountain Equipment Company Ltd EDI with Stacksync?

Most suppliers are fully connected and processing live MEC Mountain Equipment Company Ltd 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 MEC Mountain Equipment Company Ltd?

No. Stacksync handles the entire EDI transport layer. We connect directly to MEC Mountain Equipment Company Ltd'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 MEC Mountain Equipment Company Ltd 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 MEC Mountain Equipment Company Ltd?

Stacksync supports all EDI document types required by MEC Mountain Equipment Company Ltd — 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 MEC Mountain Equipment Company Ltd 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 MEC Mountain Equipment Company Ltd's EDI network and your system in real time.

What happens when MEC Mountain Equipment Company Ltd updates their EDI specifications?

Stacksync monitors MEC Mountain Equipment Company Ltd'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.

Ready to automate MEC Mountain Equipment Company Ltd EDI?

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