Home Depot
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Purchase Order - 4060
  • Specification
  • EDI Inspector
Import guide into your account
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X12 850 Purchase Order - 4060

X12 Release 4060

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
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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 1
Required
REF
0500
Reference Information
Max use 1
Optional
SAC Loop
ITD
1300
Terms of Sale/Deferred Terms of Sale
Max use 1
Required
DTM
1500
Date/Time Reference
Max use 10
Optional
detail
PO1 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

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
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

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
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
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
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
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
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
YYMMDD format

Date of the interchange

ISA-10
I09
Interchange Time
Required
HHMM format

Time of the interchange

ISA-11
I65
Repetition Separator
Required
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

Code specifying the version number of the interchange control segments

00406
Standards Approved for Publication by ASC X12 Procedures Review Board through October 2002
ISA-13
I12
Interchange Control Number
Required
Min 9Max 9

A control number assigned by the interchange sender

ISA-14
I13
Acknowledgment Requested
Required
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
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
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

Code identifying a group of application related transaction sets

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

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

GS-03
124
Application Receiver's Code
Required
Min 2Max 15

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

GS-04
373
Date
Required
CCYYMMDD format

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

GS-05
337
Time
Required
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
Min 1Max 9

Assigned number originated and maintained by the sender

GS-07
455
Responsible Agency Code
Required
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

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

004060
Standards Approved for Publication by ASC X12 Procedures Review Board through October 2002

Heading

ST
0100

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

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
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

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

Code identifying purpose of transaction set

00
Original
BEG-02
92
Purchase Order Type Code
Required

Code specifying the type of Purchase Order

NE
New Order
BEG-03
324
Purchase Order Number
Required
Min 1Max 22

Identifying number for Purchase Order assigned by the orderer/purchaser

Usage notes

The Home Depot 10 digit PO number

BEG-05
373
Date
Required
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.
BEG-06
367
Contract Number
Required
Min 1Max 30

Contract number

Usage notes

Used for PO with Version Number. 10 digit PO number plus 5 digit version number. For PO - will always end in 00001.

CUR
0400

Currency

RequiredMax use 1

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

Example
CUR-01
98
Entity Identifier Code
Required

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

BY
Buying Party (Purchaser)
CUR-02
100
Currency Code
Required

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

CAD
Canadian Dollar
USD
US Dollar
REF
0500

Reference Information

RequiredMax use >1

To specify identifying information

Example
Variants (all may be used)
REFReference Information
REF-01
128
Reference Identification Qualifier
Required

Code qualifying the Reference Identification

MR
Merchandise Type Code
REF-02
127
Reference Identification
Required
Min 1Max 50

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

Usage notes

Home Depot assigned Vendor Number

REF
0500

Reference Information

OptionalMax use >1

To specify identifying information

Usage notes

Will only be mapped if all items are to be shipped to the same location.

Example
Variants (all may be used)
REFReference Information
REF-01
128
Reference Identification Qualifier
Required

Code qualifying the Reference Identification

ST
Store Number
REF-02
127
Reference Identification
Required
Min 1Max 50

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

Usage notes

The Home Depot assigned Ship To Location Number

SAC Loop
OptionalMax 25
SAC
1200

Service, Promotion, Allowance, or Charge Information

RequiredMax use 1

To request or identify a service, promotion, allowance, or charge; to specify the amount or percentage for the service, promotion, allowance, or charge

Example
SAC-01
248
Allowance or Charge Indicator
Required

Code which indicates an allowance or charge for the service specified

  • If SAC01 is "A" or "C", then at least one of SAC05, SAC07, or SAC08 is required.
A
Allowance
SAC-02
1300
Service, Promotion, Allowance, or Charge Code
Required

Code identifying the service, promotion, allowance, or charge

D360
Goods and Services Tax Charge

GST (Goods and Services Tax)

H680
Tax - Governmental

QST (Quebec Sales Tax)

H720
Tax - Regulatory Tax

PST (Provincial Sales Tax)

H740
Tax - Sales and Use

Tax for US Purchase Orders

H770
Tax - State Tax

HST (Harmonized Sales Tax)

SAC-05
610
Amount
Required
Min 1Max 15

Monetary amount

  • SAC05 is the total amount for the service, promotion, allowance, or charge.
  • If SAC05 is present with SAC07 or SAC08, then SAC05 takes precedence.
ITD
1300

Terms of Sale/Deferred Terms of Sale

RequiredMax use >1

To specify terms of sale

Example
ITD-12
352
Description
Required
Min 1Max 80

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

Usage notes

A text description of the payment terms associated with the order.

DTM
1500

Date/Time Reference

OptionalMax use 10

To specify pertinent dates and times

Usage notes

Will only be mapped if all items are requested for same date delivery.

Example
DTM-01
374
Date/Time Qualifier
Required

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

002
Delivery Requested
DTM-02
373
Date
Required
CCYYMMDD format

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

N9 Loop
OptionalMax 1000
N9
2950

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

Code qualifying the Reference Identification

PO
Purchase Order Number
N9-02
127
Reference Identification
Required
Min 1Max 50

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

MTX
3000

Text

OptionalMax use >1

To specify textual data

Example
MTX-01
363
Note Reference Code
Required

Code identifying the functional area or purpose for which the note applies

ORI
Order Instructions
MTX-02
1551
Textual Data
Required
Min 1Max 4096

To transmit large volumes of message text

MTX-04
934
Printer Carriage Control Code
Required

A field to be used for the control of the line feed of the receiving printer

SS
Advance to new line before print
N1 Loop
OptionalMax 200
Usage notes

Will only be mapped if all items are to be shipped to the same location

Variants (all may be used)
N1N1 Loop
N1
3100

Party Identification

RequiredMax use 1

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

Example
N1-01
98
Entity Identifier Code
Required

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

OB
Ordered By
N1-03
66
Identification Code Qualifier
Required

Code designating the system/method of code structure used for Identification Code (67)

92
Assigned by Buyer or Buyer's Agent
N1-04
67
Identification Code
Required
Min 2Max 80

Code identifying a party or other code

  • This segment, used alone, provides the most efficient method of providing organizational identification. To obtain this efficiency the "ID Code" (N104) must provide a key to the table maintained by the transaction processing party.
Usage notes

Home Depot Location Number.

N3
3300

Party Location

OptionalMax use 2

To specify the location of the named party

Usage notes

Will only be mapped if all items are to be shipped to the same location.

Example
N3-01
166
Address Information
Required
Min 1Max 55

Address information

N3-02
166
Address Information
Optional
Min 1Max 55

Address information

N4
3400

Geographic Location

OptionalMax use >1

To specify the geographic place of the named party

Usage notes

Will only be mapped if all items are to be shipped to the same location

Example
N4-01
19
City Name
Required
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
Required
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.
N4-03
116
Postal Code
Required
Min 3Max 15

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

N4-04
26
Country Code
Required
Min 2Max 3

Code identifying the country

PER
3600

Administrative Communications Contact

OptionalMax use >1

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

Usage notes

Will only be mapped if all items are to be shipped to the same location.

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

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

NT
Notification Contact
PER-02
93
Name
Optional
Min 1Max 60

Free-form name

PER-03
365
Communication Number Qualifier
Optional

Code identifying the type of communication number

TE
Telephone
PER-04
364
Communication Number
Optional
Min 1Max 256

Complete communications number including country or area code when applicable

N1 Loop
OptionalMax 200
Usage notes

Will only be mapped if all items are to be shipped to the same location

Variants (all may be used)
N1N1 Loop
N1
3100

Party Identification

RequiredMax use 1

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

Usage notes

Will only be mapped if all items are to be shipped to the same location.

Example
At least one of Name (N1-02) or Identification Code Qualifier (N1-03) is required
N1-01
98
Entity Identifier Code
Required

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

ST
Ship To
N1-02
93
Name
Optional
Min 1Max 60

Free-form name

N1-03
66
Identification Code Qualifier
Required

Code designating the system/method of code structure used for Identification Code (67)

92
Assigned by Buyer or Buyer's Agent
N1-04
67
Identification Code
Required
Min 2Max 80

Code identifying a party or other code

  • This segment, used alone, provides the most efficient method of providing organizational identification. To obtain this efficiency the "ID Code" (N104) must provide a key to the table maintained by the transaction processing party.
Usage notes

Home Depot Location Number

N3
3300

Party Location

OptionalMax use 2

To specify the location of the named party

Usage notes

Will only be mapped if all items are to be shipped to the same location.

Example
N3-01
166
Address Information
Required
Min 1Max 55

Address information

N3-02
166
Address Information
Optional
Min 1Max 55

Address information

N4
3400

Geographic Location

OptionalMax use >1

To specify the geographic place of the named party

Usage notes

Will only be mapped if all items are to be shipped to the same location

Example
N4-01
19
City Name
Required
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
Required
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.
N4-03
116
Postal Code
Required
Min 3Max 15

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

N4-04
26
Country Code
Required
Min 2Max 3

Code identifying the country

Detail

PO1 Loop
RequiredMax 100000
PO1
0100

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
If either Product/Service ID Qualifier (PO1-10) or Product/Service ID (PO1-11) is present, then the other is required
If either Product/Service ID Qualifier (PO1-12) or Product/Service ID (PO1-13) is present, then the other is required
PO1-01
350
Assigned Identification
Required
Min 1Max 20

Alphanumeric characters assigned for differentiation within a transaction set

  • PO101 is the line item identification.
Usage notes

PO Line Number. Must use this number to refer to on Order Status and Invoice. Will be used for matching those documents back to Order.

PO1-02
380
Quantity
Required
Min 1Max 15

Numeric value of quantity

  • PO102 is quantity ordered.
PO1-03
355
Unit or Basis for Measurement Code
Required
Min 2Max 2

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

PO1-04
212
Unit Price
Required
Min 1Max 15

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

Usage notes

This Unit Price represents the NET cost of the Product/Service. Any discounts other than cash (payment terms) discounts will be reflected in the Unit Price.

PO1-06
235
Product/Service ID Qualifier
Optional

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.
VP
Vendor's (Seller's) Part Number
PO1-07
234
Product/Service ID
Optional
Min 1Max 48

Identifying number for a product or service

PO1-08
235
Product/Service ID Qualifier
Optional

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

SK
Stock Keeping Unit (SKU)
PO1-09
234
Product/Service ID
Optional
Min 1Max 48

Identifying number for a product or service

PO1-10
235
Product/Service ID Qualifier
Optional

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

UP
UCC - 12
PO1-11
234
Product/Service ID
Optional
Min 1Max 48

Identifying number for a product or service

PO1-12
235
Product/Service ID Qualifier
Optional

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

BR
Compensation Type Code
PO1-13
234
Product/Service ID
Optional
Min 1Max 48

Identifying number for a product or service

PID Loop
RequiredMax 1000
PID
0500

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

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-05
352
Description
Required
Min 1Max 80

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

REF
1000

Reference Information

OptionalMax use >1

To specify identifying information

Example
REF-01
128
Reference Identification Qualifier
Required

Code qualifying the Reference Identification

79
Cost Account
P4
Project Code
REF-02
127
Reference Identification
Required
Min 1Max 50

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

Usage notes

Cost Center Number

DTM
2100

Date/Time Reference

OptionalMax use 10

To specify pertinent dates and times

Usage notes

Will only be mapped if items are requested for different date delivery.

Example
DTM-01
374
Date/Time Qualifier
Required

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

002
Delivery Requested
DTM-02
373
Date
Required
CCYYMMDD format

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

MTX
2890

Text

OptionalMax use >1

To specify textual data

Example
If Note Reference Code (MTX-01) is present, then Textual Data (MTX-02) is required
MTX-01
363
Note Reference Code
Optional

Code identifying the functional area or purpose for which the note applies

ORI
Order Instructions
MTX-02
1551
Textual Data
Optional
Min 1Max 4096

To transmit large volumes of message text

N1 Loop
OptionalMax 200
Usage notes

Will only be mapped if items are to be shipped to different locations.

N1
3500

Party Identification

RequiredMax use 1

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

Usage notes

Will only be mapped if items are to be shipped to different locations.

Example
N1-01
98
Entity Identifier Code
Required

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

ST
Ship To
N1-02
93
Name
Optional
Min 1Max 60

Free-form name

N1-03
66
Identification Code Qualifier
Required

Code designating the system/method of code structure used for Identification Code (67)

92
Assigned by Buyer or Buyer's Agent
N1-04
67
Identification Code
Required
Min 2Max 80

Code identifying a party or other code

  • This segment, used alone, provides the most efficient method of providing organizational identification. To obtain this efficiency the "ID Code" (N104) must provide a key to the table maintained by the transaction processing party.
Usage notes

Home Depot Location Number

N3
3700

Party Location

OptionalMax use 2

To specify the location of the named party

Usage notes

Will only be mapped if items are to be shipped to different locations.

Example
N3-01
166
Address Information
Required
Min 1Max 55

Address information

N3-02
166
Address Information
Optional
Min 1Max 55

Address information

N4
3800

Geographic Location

OptionalMax use 1

To specify the geographic place of the named party

Usage notes

Will only be mapped if items are to be shipped to different locations.

Example
N4-01
19
City Name
Required
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
Required
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.
N4-03
116
Postal Code
Required
Min 3Max 15

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

N4-04
26
Country Code
Required
Min 2Max 3

Code identifying the country

Summary

CTT Loop
RequiredMax 1
CTT
0100

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
Min 1Max 6

Total number of line items in the transaction set

CTT-02
347
Hash Total
Required
Min 1Max 10

Sum of values of the specified data element. All values in the data element will be summed without regard to decimal points (explicit or implicit) or signs. Truncation will occur on the left most digits if the sum is greater than the maximum size of the hash total of the data element.

## Example:
-.0018 First occurrence of value being hashed.
.18 Second occurrence of value being hashed.
1.8 Third occurrence of value being hashed.
18.01 Fourth occurrence of value being hashed.

1855 Hash Total

AMT
0200

Monetary Amount Information

RequiredMax use 1

To indicate the total monetary amount

  • If AMT is used in the summary area, then AMT01 will = TT and AMT02 will indicate total transaction amount as calculated by the sender.
Example
AMT-01
522
Amount Qualifier Code
Required

Code to qualify amount

TT
Total Transaction Amount
AMT-02
782
Monetary Amount
Required
Min 1Max 15

Monetary amount

Usage notes

Sum of cost of all line items.

SE
0300

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
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
Min 4Max 9

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

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
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
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
Min 1Max 5

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

IEA-02
I12
Interchange Control Number
Required
Min 9Max 9

A control number assigned by the interchange sender

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