Subway
/
Purchase Order
  • Specification
  • EDI Inspector
Stedi maintains this guide based on public documentation from Subway. Contact Subway for official EDI specifications. To report any errors in this guide, please contact us.
Go to Stedi Network
Subway logo

X12 850 Purchase Order

X12 Release 5010

This X12 Transaction Set contains the format and establishes the data contents of the Purchase Order Transaction Set (850) for use within the context of an Electronic Data Interchange (EDI) environment. The transaction set can be used to provide for customary and established business and industry practice relative to the placement of purchase orders for goods and services. This transaction set should not be used to convey purchase order changes or purchase order acknowledgment information.

Delimiters
  • ~ Segment
  • * Element
  • > Component
  • ^ Repetition
EDI samples
  • None included
View the latest version of this implementation guide as an interactive webpage
https://www.stedi.com/app/guides/view/subway/purchase-order/01HB3WGCTJJ243ACA9T2W0RA1K
Powered by
Build EDI implementation guides at stedi.com
Overview
ISA
-
Interchange Control Header
Max use 1
Required
GS
-
Functional Group Header
Max use 1
Required
heading
ST
0100
Transaction Set Header
Max use 1
Required
BEG
0200
Beginning Segment for Purchase Order
Max use 1
Required
CUR
0400
Currency
Max use 1
Required
REF
0500
Reference Information
Max use 4
Required
PER
0600
Administrative Communications Contact
Max use 2
Optional
DTM
1500
Date/Time Reference
Max use 1
Required
TD5
2400
Carrier Details (Routing Sequence/Transit Time)
Max use 1
Required
N9 Loop
GE
-
Functional Group Trailer
Max use 1
Required
IEA
-
Interchange Control Trailer
Max use 1
Required
ISA

Interchange Control Header

RequiredMax use 1

To start and identify an interchange of zero or more functional groups and interchange-related control segments

Example
ISA-01
I01
Authorization Information Qualifier
Required
Identifier (ID)

Code identifying the type of information in the Authorization Information

00
No Authorization Information Present (No Meaningful Information in I02)
ISA-02
I02
Authorization Information
Required
String (AN)
Min 10Max 10

Information used for additional identification or authorization of the interchange sender or the data in the interchange; the type of information is set by the Authorization Information Qualifier (I01)

ISA-03
I03
Security Information Qualifier
Required
Identifier (ID)

Code identifying the type of information in the Security Information

00
No Security Information Present (No Meaningful Information in I04)
ISA-04
I04
Security Information
Required
String (AN)
Min 10Max 10

This is used for identifying the security information about the interchange sender or the data in the interchange; the type of information is set by the Security Information Qualifier (I03)

ISA-05
I05
Interchange ID Qualifier
Required
Identifier (ID)
Min 2Max 2

Code indicating the system/method of code structure used to designate the sender or receiver ID element being qualified

Codes
ISA-06
I06
Interchange Sender ID
Required
String (AN)
Min 15Max 15

Identification code published by the sender for other parties to use as the receiver ID to route data to them; the sender always codes this value in the sender ID element

ISA-07
I05
Interchange ID Qualifier
Required
Identifier (ID)
Min 2Max 2

Code indicating the system/method of code structure used to designate the sender or receiver ID element being qualified

Codes
ISA-08
I07
Interchange Receiver ID
Required
String (AN)
Min 15Max 15

Identification code published by the receiver of the data; When sending, it is used by the sender as their sending ID, thus other parties sending to them will use this as a receiving ID to route data to them

ISA-09
I08
Interchange Date
Required
Date (DT)
YYMMDD format

Date of the interchange

ISA-10
I09
Interchange Time
Required
Time (TM)
HHMM format

Time of the interchange

ISA-11
I65
Repetition Separator
Required
String (AN)
Min 1Max 1

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

^
Repetition Separator
ISA-12
I11
Interchange Control Version Number
Required
Identifier (ID)

Code specifying the version number of the interchange control segments

00501
Standards Approved for Publication by ASC X12 Procedures Review Board through October 2003
ISA-13
I12
Interchange Control Number
Required
Numeric (N0)
Min 9Max 9

A control number assigned by the interchange sender

ISA-14
I13
Acknowledgment Requested
Required
Identifier (ID)
Min 1Max 1

Code indicating sender's request for an interchange acknowledgment

0
No Interchange Acknowledgment Requested
1
Interchange Acknowledgment Requested (TA1)
ISA-15
I14
Interchange Usage Indicator
Required
Identifier (ID)
Min 1Max 1

Code indicating whether data enclosed by this interchange envelope is test, production or information

I
Information
P
Production Data
T
Test Data
ISA-16
I15
Component Element Separator
Required
String (AN)
Min 1Max 1

Type is not applicable; the component element separator is a delimiter and not a data element; this field provides the delimiter used to separate component data elements within a composite data structure; this value must be different than the data element separator and the segment terminator

>
Component Element Separator

Functional Group Header

RequiredMax use 1

To indicate the beginning of a functional group and to provide control information

Example
GS-01
479
Functional Identifier Code
Required
Identifier (ID)

Code identifying a group of application related transaction sets

PO
Purchase Order (850)
GS-02
142
Application Sender's Code
Required
String (AN)
Min 2Max 15

Code identifying party sending transmission; codes agreed to by trading partners

GS-03
124
Application Receiver's Code
Required
String (AN)
Min 2Max 15

Code identifying party receiving transmission; codes agreed to by trading partners

Required
Date (DT)
CCYYMMDD format

Date expressed as CCYYMMDD where CC represents the first two digits of the calendar year

Required
Time (TM)
HHMM, HHMMSS, HHMMSSD, or HHMMSSDD format

Time expressed in 24-hour clock time as follows: HHMM, or HHMMSS, or HHMMSSD, or HHMMSSDD, where H = hours (00-23), M = minutes (00-59), S = integer seconds (00-59) and DD = decimal seconds; decimal seconds are expressed as follows: D = tenths (0-9) and DD = hundredths (00-99)

GS-06
28
Group Control Number
Required
Numeric (N0)
Min 1Max 9

Assigned number originated and maintained by the sender

GS-07
455
Responsible Agency Code
Required
Identifier (ID)
Min 1Max 2

Code identifying the issuer of the standard; this code is used in conjunction with Data Element 480

T
Transportation Data Coordinating Committee (TDCC)
X
Accredited Standards Committee X12
GS-08
480
Version / Release / Industry Identifier Code
Required
String (AN)

Code indicating the version, release, subrelease, and industry identifier of the EDI standard being used, including the GS and GE segments; if code in DE455 in GS segment is X, then in DE 480 positions 1-3 are the version number; positions 4-6 are the release and subrelease, level of the version; and positions 7-12 are the industry or trade association identifiers (optionally assigned by user); if code in DE455 in GS segment is T, then other formats are allowed

005010
Standards Approved for Publication by ASC X12 Procedures Review Board through October 2003

Heading

ST
0100
Heading > ST

Transaction Set Header

RequiredMax use 1

To indicate the start of a transaction set and to assign a control number

Example
ST-01
143
Transaction Set Identifier Code
Required
Identifier (ID)

Code uniquely identifying a Transaction Set

  • The transaction set identifier (ST01) is used by the translation routines of the interchange partners to select the appropriate transaction set definition (e.g., 810 selects the Invoice Transaction Set).
850
Purchase Order
ST-02
329
Transaction Set Control Number
Required
Numeric (N)
Min 4Max 9

Identifying control number that must be unique within the transaction set functional group assigned by the originator for a transaction set

BEG
0200
Heading > BEG

Beginning Segment for Purchase Order

RequiredMax use 1

To indicate the beginning of the Purchase Order Transaction Set and transmit identifying numbers and dates

Example
BEG-01
353
Transaction Set Purpose Code
Required
Identifier (ID)

Code identifying purpose of transaction set

00
Original
01
Cancellation
05
Replace
BEG-02
92
Purchase Order Type Code
Required
Identifier (ID)

Code specifying the type of Purchase Order

DR
Direct Ship

Ship to Consolidator

DS
Dropship

Ship to Franchisee

BEG-03
324
Purchase Order Number
Required
String (AN)
Min 1Max 22

Identifying number for Purchase Order assigned by the orderer/purchaser

Required
Date (DT)
CCYYMMDD format

Date expressed as CCYYMMDD where CC represents the first two digits of the calendar year

  • BEG05 is the date assigned by the purchaser to purchase order.
CUR
0400
Heading > CUR

Currency

RequiredMax use 1

To specify the currency (dollars, pounds, francs, etc.) used in a transaction

Example
CUR-01
98
Entity Identifier Code
Required
Identifier (ID)

Code identifying an organizational entity, a physical location, property or an individual

BY
Buying Party (Purchaser)
CUR-02
100
Currency Code
Required
Identifier (ID)
Min 3Max 3

Code (Standard ISO) for country in whose currency the charges are specified

REF
0500
Heading > REF

Reference Information

RequiredMax use 4

To specify identifying information

Example
REF-01
128
Reference Identification Qualifier
Required
Identifier (ID)

Code qualifying the Reference Identification

0I
Comparable Property Sale Reference Number
BB
Authorization Number

Only used by FSC and will contain either '313' or 'Pre-Auth' value. Not used by any other vendor.

IA
Internal Vendor Number
TN
Transaction Reference Number

Subway Restaurant Store associate with the PO. May not directly relate to the physical ship to address.

REF-02
127
Reference Identification
Required
String (AN)
Min 1Max 50

Reference information as defined for a particular Transaction Set or as specified by the Reference Identification Qualifier

PER
0600
Heading > PER

Administrative Communications Contact

OptionalMax use 2

To identify a person or office to whom administrative communications should be directed

Example
If either Communication Number Qualifier (PER-03) or Communication Number (PER-04) is present, then the other is required
If either Communication Number Qualifier (PER-05) or Communication Number (PER-06) is present, then the other is required
PER-01
366
Contact Function Code
Required
Identifier (ID)

Code identifying the major duty or responsibility of the person or group named

IC
Information Contact
OC
Order Contact
Optional
String (AN)
Min 1Max 60

Free-form name

PER-03
365
Communication Number Qualifier
Optional
Identifier (ID)

Code identifying the type of communication number

EM
Electronic Mail
TE
Telephone
PER-04
364
Communication Number
Optional
String (AN)
Min 1Max 256

Complete communications number including country or area code when applicable

PER-05
365
Communication Number Qualifier
Optional
Identifier (ID)

Code identifying the type of communication number

EM
Electronic Mail
TE
Telephone
PER-06
364
Communication Number
Optional
String (AN)
Min 1Max 256

Complete communications number including country or area code when applicable

DTM
1500
Heading > DTM

Date/Time Reference

RequiredMax use 1

To specify pertinent dates and times

Example
DTM-01
374
Date/Time Qualifier
Required
Identifier (ID)

Code specifying type of date or time, or both date and time

010
Requested Ship
Required
Date (DT)
CCYYMMDD format

Date expressed as CCYYMMDD where CC represents the first two digits of the calendar year

TD5
2400
Heading > TD5

Carrier Details (Routing Sequence/Transit Time)

RequiredMax use 1

To specify the carrier and sequence of routing and provide transit time information

Usage notes

If this is a customer pick up order, 'Will Call' will be sent in the TD505

Example
TD5-05
387
Routing
Required
String (AN)
Min 1Max 35

Free-form description of the routing or requested routing for shipment, or the originating carrier's identity

Usage notes

If this is a customer pick up order, 'Will Call' will be sent in the TD505

N9 Loop
RequiredMax 2
N9
2950
Heading > N9 Loop > N9

Extended Reference Information

RequiredMax use 1

To transmit identifying information as specified by the Reference Identification Qualifier

Example
N9-01
128
Reference Identification Qualifier
Required
Identifier (ID)

Code qualifying the Reference Identification

L1
Letters or Notes
N9-02
127
Reference Identification
Required
String (AN)
Min 1Max 50

Reference information as defined for a particular Transaction Set or as specified by the Reference Identification Qualifier

Usage notes

N902 will contain the following 3 character code to identify the type of note to follow in MTX02.

. GEN: General Note
. SPE: Special Instructions

MTX
3000
Heading > N9 Loop > MTX

Text

RequiredMax use 1

To specify textual data

Example
MTX-02
1551
Textual Data
Required
String (AN)
Min 1Max 4096

To transmit large volumes of message text

N9 Loop end
N1 Loop
RequiredMax 2
N1
3100
Heading > N1 Loop > N1

Party Identification

RequiredMax use 1

To identify a party by type of organization, name, and code

Example
N1-01
98
Entity Identifier Code
Required
Identifier (ID)

Code identifying an organizational entity, a physical location, property or an individual

ST
Ship To
Required
String (AN)
Min 1Max 60

Free-form name

N3
3300
Heading > N1 Loop > N3

Party Location

RequiredMax use 2

To specify the location of the named party

Example
N3-01
166
Address Information
Required
String (AN)
Min 1Max 55

Address information

N3-02
166
Address Information
Optional
String (AN)
Min 1Max 55

Address information

N4
3400
Heading > N1 Loop > N4

Geographic Location

RequiredMax use >1

To specify the geographic place of the named party

Example
N4-01
19
City Name
Required
String (AN)
Min 2Max 30

Free-form text for city name

  • A combination of either N401 through N404, or N405 and N406 may be adequate to specify a location.
N4-02
156
State or Province Code
Optional
Identifier (ID)
Min 2Max 2

Code (Standard State/Province) as defined by appropriate government agency

  • N402 is required only if city name (N401) is in the U.S. or Canada.
Usage notes

Will be sent for US and Canada orders.

N4-03
116
Postal Code
Required
Identifier (ID)
Min 3Max 15

Code defining international postal zone code excluding punctuation and blanks (zip code for United States)

N4-04
26
Country Code
Optional
Identifier (ID)
Min 2Max 3

Code identifying the country

N1 Loop end
Heading end

Detail

PO1 Loop
RequiredMax 100000
Usage notes

One of either Item Number (PO106=IN) or Vendor Item number (PO108=VN) will always be sent and must be sent back on the return transactions.

PO1
0100
Detail > PO1 Loop > PO1

Baseline Item Data

RequiredMax use 1

To specify basic and most frequently used line item data

  • PO102 is required.
Example
If either Product/Service ID Qualifier (PO1-06) or Product/Service ID (PO1-07) is present, then the other is required
If either Product/Service ID Qualifier (PO1-08) or Product/Service ID (PO1-09) is present, then the other is required
PO1-01
350
Assigned Identification
Required
String (AN)
Min 1Max 20

Alphanumeric characters assigned for differentiation within a transaction set

  • PO101 is the line item identification.
PO1-02
380
Quantity
Required
Decimal number (R)
Min 1Max 15

Numeric value of quantity

  • PO102 is quantity ordered.
PO1-03
355
Unit or Basis for Measurement Code
Required
Identifier (ID)

Code specifying the units in which a value is being expressed, or manner in which a measurement has been taken

EA
Each
PO1-04
212
Unit Price
Required
Decimal number (R)
Min 1Max 15

Price per unit of product, service, commodity, etc.

PO1-06
235
Product/Service ID Qualifier
Optional
Identifier (ID)

Code identifying the type/source of the descriptive number used in Product/Service ID (234)

  • PO106 through PO125 provide for ten different product/service IDs per each item. For example: Case, Color, Drawing No., U.P.C. No., ISBN No., Model No., or SKU.
Usage notes

Subway Restaurants assigned product identifier

IN
Buyer's Item Number

Subway Restaurants assigned product identifier.

PO1-07
234
Product/Service ID
Optional
String (AN)
Min 1Max 48

Identifying number for a product or service

PO1-08
235
Product/Service ID Qualifier
Optional
Identifier (ID)

Code identifying the type/source of the descriptive number used in Product/Service ID (234)

VN
Vendor's (Seller's) Item Number
PO1-09
234
Product/Service ID
Optional
String (AN)
Min 1Max 48

Identifying number for a product or service

PID Loop
RequiredMax 4
PID
0500
Detail > PO1 Loop > PID Loop > PID

Product/Item Description

RequiredMax use 1

To describe a product or process in coded or free-form format

Example
PID-01
349
Item Description Type
Required
Identifier (ID)

Code indicating the format of a description

  • If PID01 equals "F", then PID05 is used. If PID01 equals "S", then PID04 is used. If PID01 equals "X", then both PID04 and PID05 are used.
F
Free-form
PID-02
750
Product/Process Characteristic Code
Required
Identifier (ID)

Code identifying the general class of a product or process characteristic

08
Product
PID-05
352
Description
Required
String (AN)
Min 1Max 80

A free-form description to clarify the related data elements and their content

PID Loop end
N9 Loop
RequiredMax 1000
N9
3300
Detail > PO1 Loop > N9 Loop > N9

Extended Reference Information

RequiredMax use 1

To transmit identifying information as specified by the Reference Identification Qualifier

Example
N9-01
128
Reference Identification Qualifier
Required
Identifier (ID)

Code qualifying the Reference Identification

L1
Letters or Notes
N9-02
127
Reference Identification
Required
String (AN)
Min 1Max 50

Reference information as defined for a particular Transaction Set or as specified by the Reference Identification Qualifier

Usage notes

N902 will contain the following 3 character code to identify the type of note to follow in MTX02.
. GEN: General Note

MTX
3400
Detail > PO1 Loop > N9 Loop > MTX

Text

RequiredMax use 1

To specify textual data

Example
MTX-02
1551
Textual Data
Optional
String (AN)
Min 1Max 4096

To transmit large volumes of message text

N9 Loop end
PO1 Loop end
Detail end

Summary

CTT Loop
RequiredMax >1
CTT
0100
Summary > CTT Loop > CTT

Transaction Totals

RequiredMax use 1

To transmit a hash total for a specific element in the transaction set

  • The number of line items (CTT01) is the accumulation of the number of PO1 segments. If used, hash total (CTT02) is the sum of the value of quantities ordered (PO102) for each PO1 segment.
Example
CTT-01
354
Number of Line Items
Required
Numeric (N0)
Min 1Max 6

Total number of line items in the transaction set

CTT Loop end
SE
0300
Summary > SE

Transaction Set Trailer

RequiredMax use 1

To indicate the end of the transaction set and provide the count of the transmitted segments (including the beginning (ST) and ending (SE) segments)

Example
SE-01
96
Number of Included Segments
Required
Numeric (N0)
Min 1Max 10

Total number of segments included in a transaction set including ST and SE segments

SE-02
329
Transaction Set Control Number
Required
Numeric (N)
Min 4Max 9

Identifying control number that must be unique within the transaction set functional group assigned by the originator for a transaction set

Summary end

Functional Group Trailer

RequiredMax use 1

To indicate the end of a functional group and to provide control information

Example
GE-01
97
Number of Transaction Sets Included
Required
Numeric (N0)
Min 1Max 6

Total number of transaction sets included in the functional group or interchange (transmission) group terminated by the trailer containing this data element

GE-02
28
Group Control Number
Required
Numeric (N0)
Min 1Max 9

Assigned number originated and maintained by the sender

Interchange Control Trailer

RequiredMax use 1

To define the end of an interchange of zero or more functional groups and interchange-related control segments

Example
IEA-01
I16
Number of Included Functional Groups
Required
Numeric (N0)
Min 1Max 5

A count of the number of functional groups included in an interchange

IEA-02
I12
Interchange Control Number
Required
Numeric (N0)
Min 9Max 9

A control number assigned by the interchange sender

Stedi is a registered trademark of Stedi, Inc. All names, logos, and brands of third parties listed on this page are trademarks of their respective owners (including “X12”, which is a trademark of X12 Incorporated). Stedi, Inc. and its products and services are not endorsed by, sponsored by, or affiliated with these third parties. Use of these names, logos, and brands is for identification purposes only, and does not imply any such endorsement, sponsorship, or affiliation.