Mast General Store, Inc. EDI 860 PO Change Request

Schema Reference

25 segments · X12 860 Purchase Order Change Request

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

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

ST01 Transaction Set Identifier Code

M ID 3-3

ST02 Transaction Set Control Number

M AN 4-9

BCH01 Transaction Set Purpose Code

M ID 2-2

BCH02 Purchase Order Type Code

M ID 2-2

BCH03 Purchase Order Number

M AN 1-22

BCH05 Change Order Sequence Number

O AN 1-8

BCH06 Date

M DT 8-8

BCH11 Date

O DT 8-8

REF01 Reference Identification Qualifier

M ID 2-3

REF02 Reference Identification

C AN 1-50

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

ITD03 Terms Discount Percent

O R 1-6

ITD05 Terms Discount Days Due

C N0 1-3

ITD06 Terms Net Due Date

O DT 8-8

ITD07 Terms Net Days

O N0 1-3

ITD12 Description

O AN 1-80

DTM01 Date/Time Qualifier

M ID 3-3

DTM02 Date

C DT 8-8

N9 Loop Repeat: 1,000

N901 Reference Identification Qualifier

M ID 2-3

N902 Reference Identification

C AN 1-50

MTX02 Textual Data

C AN 1-4096

N1 Loop Repeat: 200

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

N201 Name

M AN 1-60

N301 Address Information

M AN 1-55

N302 Address Information

O AN 1-55

N401 City Name

O AN 2-30

N402 State or Province Code

C ID 2-2

N403 Postal Code

O ID 3-15

N404 Country Code

C ID 2-3

POC Loop Repeat: 1,000

POC01 Assigned Identification

O AN 1-20

POC02 Change or Response Type Code

M ID 2-2

POC03 Quantity

C R 1-15

POC06 Unit Price

C R 1-17

POC08 Product/Service ID Qualifier

C ID 2-2

POC09 Product/Service ID

C AN 1-48

POC10 Product/Service ID Qualifier

C ID 2-2

POC11 Product/Service ID

C AN 1-48

POC12 Product/Service ID Qualifier

C ID 2-2

POC13 Product/Service ID

C AN 1-48

POC14 Product/Service ID Qualifier

C ID 2-2

POC15 Product/Service ID

C AN 1-48

POC16 Product/Service ID Qualifier

C ID 2-2

POC17 Product/Service ID

C AN 1-48

POC18 Product/Service ID Qualifier

C ID 2-2

POC19 Product/Service ID

C AN 1-48

POC20 Product/Service ID Qualifier

C ID 2-2

POC21 Product/Service ID

C AN 1-48

CTP02 Price Identifier Code

C ID 3-3

CTP03 Unit Price

C R 1-17

PID Loop Repeat: 1,000

PID01 Item Description Type

M ID 1-1

PID02 Product/Process Characteristic Code

O ID 2-3

PID05 Description

C AN 1-80

REF01 Reference Identification Qualifier

M ID 2-3

REF02 Reference Identification

C AN 1-50

SDQ01 Unit or Basis for Measurement Code

M ID 2-2

SDQ02 Identification Code Qualifier

O ID 1-2

SDQ03 Identification Code

M AN 2-80

SDQ04 Quantity

M R 1-15

SDQ05 Identification Code

C AN 2-80

SDQ06 Quantity

C R 1-15

SDQ07 Identification Code

C AN 2-80

SDQ08 Quantity

C R 1-15

SDQ09 Identification Code

C AN 2-80

SDQ10 Quantity

C R 1-15

SDQ11 Identification Code

C AN 2-80

SDQ12 Quantity

C R 1-15

SDQ13 Identification Code

C AN 2-80

SDQ14 Quantity

C R 1-15

SDQ15 Identification Code

C AN 2-80

SDQ16 Quantity

C R 1-15

SDQ17 Identification Code

C AN 2-80

SDQ18 Quantity

C R 1-15

SDQ19 Identification Code

C AN 2-80

SDQ20 Quantity

C R 1-15

SDQ21 Identification Code

C AN 2-80

SDQ22 Quantity

C R 1-15

DTM01 Date/Time Qualifier

M ID 3-3

DTM02 Date

C DT 8-8

N9 Loop Repeat: 1,000

N901 Reference Identification Qualifier

M ID 2-3

N902 Reference Identification

C AN 1-50

MTX02 Textual Data

C AN 1-4096

CTT Loop Repeat: 1

CTT01 Number of Line Items

M N0 1-6

CTT02 Hash Total

O R 1-10

AMT01 Amount Qualifier Code

M ID 1-3

AMT02 Monetary Amount

M R 1-18

SE01 Number of Included Segments

M N0 1-10

SE02 Transaction Set Control Number

M AN 4-9

Mast General Store, Inc. EDI 860 FAQ

Common questions about 860 Purchase Order Change Request transactions with Mast General Store, Inc..

How long does it take to set up Mast General Store, Inc. EDI with Stacksync?

Most suppliers are fully connected and processing live Mast General Store, Inc. 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 Mast General Store, Inc.?

No. Stacksync handles the entire EDI transport layer. We connect directly to Mast General Store, Inc.'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 Mast General Store, Inc. 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 Mast General Store, Inc.?

Stacksync supports all EDI document types required by Mast General Store, Inc. — 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 Mast General Store, Inc. 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 Mast General Store, Inc.'s EDI network and your system in real time.

What happens when Mast General Store, Inc. updates their EDI specifications?

Stacksync monitors Mast General Store, Inc.'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.