01: Duns (Dun & Bradstreet)
02: SCAC (Standard Carrier Alpha Code)
03: FMC (Federal Maritime Commission)
04: IATA (International Air Transport Association)
08: UCC EDI Communications ID (Comm ID)
09: X.121 (CCITT)
10: Department of Defense (DoD) Activity Address Code
11: DEA (Drug Enforcement Administration)
12: Phone (Telephone Companies)
13: UCS Code (The UCS Code is a Code Used for UCS Transmissions; it includes the Area Code and Telephone Number of a Modem; it Does Not Include Punctuation, Blanks or Access Code)
14: Duns Plus Suffix
15: Petroleum Accountants Society of Canada Company Code
16: Duns Number With 4-Character Suffix
17: American Bankers Association (ABA) Transit Routing Number (Including Check Digit, 9 Digit)
18: Association of American Railroads (AAR) Standard Distribution Code
19: EDI Council of Australia (EDICA) Communications ID Number (COMM ID)
20: Health Industry Number (HIN)
21: Integrated Postsecondary Education Data System, or (IPEDS)
22: Federal Interagency Commission on Education, or FICE
23: National Center for Education Statistics Common Core of Data 12-Digit Number for Pre-K-Grade 12 Institutes, or NCES
24: The College Board's Admission Testing Program 4-Digit Code of Postsecondary Institutes, or ATP
25: American College Testing Program 4-Digit Code of Postsecondary Institutions, or ACT
26: Statistics of Canada List of Postsecondary Institutions
27: Carrier Identification Number as assigned by Health Care Financing Administration (HCFA)
28: Fiscal Intermediary Identification Number as assigned by Health Care Financing Administration (HCFA)
29: Medicare Provider and Supplier Identification Number as assigned by Health Care Financing Administration (HCFA)
30: U.S. Federal Tax Identification Number
31: Jurisdiction Identification Number Plus 4 as assigned by the International Association of Industrial Accident Boards and Commissions (IAIABC)
32: U.S. Federal Employer Identification Number (FEIN)
33: National Association of Insurance Commissioners Company Code (NAIC)
34: Medicaid Provider and Supplier Identification Number as assigned by individual State Medicaid Agencies in conjunction with Health Care Financing Administration (HCFA)
35: Statistics Canada Canadian College Student Information System Institution Codes
36: Statistics Canada University Student Information System Institution Codes
37: Society of Property Information Compilers and Analysts
AM: Association Mexicana del Codigo de Producto (AMECOP) Communication ID
NR: National Retail Merchants Association (NRMA) - Assigned
SN: Standard Address Number
ZZ: Mutually Defined

ISA-06

I06

Interchange Sender ID

Required

String (AN)

Min 15Max 15

—

ISA-07

I05

Interchange ID Qualifier

Required

Identifier (ID)

Min 2Max 2

—

Codes

01: Duns (Dun & Bradstreet)
02: SCAC (Standard Carrier Alpha Code)
03: FMC (Federal Maritime Commission)
04: IATA (International Air Transport Association)
08: UCC EDI Communications ID (Comm ID)
09: X.121 (CCITT)
10: Department of Defense (DoD) Activity Address Code
11: DEA (Drug Enforcement Administration)
12: Phone (Telephone Companies)
13: UCS Code (The UCS Code is a Code Used for UCS Transmissions; it includes the Area Code and Telephone Number of a Modem; it Does Not Include Punctuation, Blanks or Access Code)
14: Duns Plus Suffix
15: Petroleum Accountants Society of Canada Company Code
16: Duns Number With 4-Character Suffix
17: American Bankers Association (ABA) Transit Routing Number (Including Check Digit, 9 Digit)
18: Association of American Railroads (AAR) Standard Distribution Code
19: EDI Council of Australia (EDICA) Communications ID Number (COMM ID)
20: Health Industry Number (HIN)
21: Integrated Postsecondary Education Data System, or (IPEDS)
22: Federal Interagency Commission on Education, or FICE
23: National Center for Education Statistics Common Core of Data 12-Digit Number for Pre-K-Grade 12 Institutes, or NCES
24: The College Board's Admission Testing Program 4-Digit Code of Postsecondary Institutes, or ATP
25: American College Testing Program 4-Digit Code of Postsecondary Institutions, or ACT
26: Statistics of Canada List of Postsecondary Institutions
27: Carrier Identification Number as assigned by Health Care Financing Administration (HCFA)
28: Fiscal Intermediary Identification Number as assigned by Health Care Financing Administration (HCFA)
29: Medicare Provider and Supplier Identification Number as assigned by Health Care Financing Administration (HCFA)
30: U.S. Federal Tax Identification Number
31: Jurisdiction Identification Number Plus 4 as assigned by the International Association of Industrial Accident Boards and Commissions (IAIABC)
32: U.S. Federal Employer Identification Number (FEIN)
33: National Association of Insurance Commissioners Company Code (NAIC)
34: Medicaid Provider and Supplier Identification Number as assigned by individual State Medicaid Agencies in conjunction with Health Care Financing Administration (HCFA)
35: Statistics Canada Canadian College Student Information System Institution Codes
36: Statistics Canada University Student Information System Institution Codes
37: Society of Property Information Compilers and Analysts
AM: Association Mexicana del Codigo de Producto (AMECOP) Communication ID
NR: National Retail Merchants Association (NRMA) - Assigned
SN: Standard Address Number
ZZ: Mutually Defined

ISA-08

I07

Interchange Receiver ID

Required

String (AN)

Min 15Max 15

—

ISA-09

I08

Interchange Date

Required

Date (DT)

YYMMDD format

—

ISA-10

I09

Interchange Time

Required

Time (TM)

HHMM format

—

ISA-11

I10

Interchange Control Standards Identifier

Required

Identifier (ID)

—

U: U.S. EDI Community of ASC X12, TDCC, and UCS

ISA-12

I11

Interchange Control Version Number

Required

Identifier (ID)

—

00401: Draft Standards for Trial Use Approved for Publication by ASC X12 Procedures Review Board through October 1997

ISA-13

I12

Interchange Control Number

Required

Numeric (N0)

Min 9Max 9

—

ISA-14

I13

Acknowledgment Requested

Required

Identifier (ID)

Min 1Max 1

—

0: No Acknowledgment Requested
1: Interchange Acknowledgment Requested

ISA-15

I14

Usage Indicator

Required

Identifier (ID)

Min 1Max 1

—

I: Information
P: Production Data
T: Test Data

ISA-16

I15

Component Element Separator

Required

String (AN)

Min 1Max 1

—

>: Component Element Separator

Functional Group Header

RequiredMax use 1

—

Example

GS-01

479

Functional Identifier Code

Required

Identifier (ID)

—

PR: Purchase Order Acknowledgement (855)

GS-02

142

Application Sender's Code

Required

String (AN)

Min 2Max 15

—

GS-03

124

Application Receiver's Code

Required

String (AN)

Min 2Max 15

—

GS-04

373

Date

Required

Date (DT)

CCYYMMDD format

—

GS-05

337

Time

Required

Time (TM)

HHMM, HHMMSS, HHMMSSD, or HHMMSSDD format

—

GS-06

Group Control Number

Required

Numeric (N0)

Min 1Max 9

—

GS-07

455

Responsible Agency Code

Required

Identifier (ID)

Min 1Max 2

—

T: Transportation Data Coordinating Committee (TDCC)
X: Accredited Standards Committee X12

GS-08

480

Version / Release / Industry Identifier Code

Required

String (AN)

—

004010: Draft Standards Approved for Publication by ASC X12 Procedures Review Board through October 1997

Heading

010

Heading > ST

Transaction Set Header

RequiredMax use 1

—

Example

ST-01

143

Transaction Set Identifier Code

Required

Identifier (ID)

—

855: Purchase Order Acknowledgment

ST-02

329

Transaction Set Control Number

Required

Numeric (N)

Min 4Max 9

—

BAK

020

Heading > BAK

Beginning Segment for Purchase Order Acknowledgment

RequiredMax use 1

—

Example

BAK-01

353

Transaction Set Purpose Code

Required

Identifier (ID)

—

00: Original

BAK-02

587

Acknowledgment Type

Required

Identifier (ID)

—

AC: Acknowledge - With Detail and Change
AD: Acknowledge - With Detail, No Change

BAK-03

324

Purchase Order Number

Required

String (AN)

Min 1Max 22

—

BAK-04

373

Date

Required

Date (DT)

CCYYMMDD format

—

Heading end

Detail

PO1 Loop

RequiredMax >1

PO1

010

Detail > PO1 Loop > PO1

Baseline Item Data

RequiredMax use 1

—

Example

PO1-01

350

Assigned Identification

Required

String (AN)

Min 1Max 20

—

PO1-02

330

Quantity Ordered

Required

Decimal number (R)

Min 1Max 15

—

PO1-03

355

Unit or Basis for Measurement Code

Required

Identifier (ID)

—

EA: Each

PO1-04

212

Unit Price

Required

Decimal number (R)

Min 1Max 15

—

PO1-05

639

Basis of Unit Price Code

Required

Identifier (ID)

—

PE: Price per Each

PO1-06

235

Product/Service ID Qualifier

Required

Identifier (ID)

—

SK: Stock Keeping Unit (SKU)

PO1-07

234

Product/Service ID

Required

String (AN)

Min 1Max 48

—

ACK Loop

RequiredMax >1

ACK

270

Detail > PO1 Loop > ACK Loop > ACK

Line Item Acknowledgment

RequiredMax use 1

—

Example

ACK-01

668

Line Item Status Code

Required

Identifier (ID)

—

BP: Item Accepted - Partial Shipment, Balance Backordered
IA: Item Accepted
IB: Item Backordered
IQ: Item Accepted - Quantity Changed
IR: Item Rejected
R2: Item Rejected, Invalid Item Product Number
R3: Item Rejected, Invalid Unit of Issue

ACK-02

380

Quantity

Required

Decimal number (R)

Min 1Max 15

—

ACK-03

355

Unit or Basis for Measurement Code

Required

Identifier (ID)

—

EA: Each

ACK-04

374

Date/Time Qualifier

Required

Identifier (ID)

—

Usage notes

—

038: Ship No Later

ACK-05

373

Date

Required

Date (DT)

CCYYMMDD format

—

ACK Loop end

PO1 Loop end

Detail end

Summary

CTT Loop

OptionalMax >1

CTT

010

Summary > CTT Loop > CTT

Transaction Totals

RequiredMax use 1

—

Usage notes

—

Example

CTT-01

354

Number of Line Items

Required

Numeric (N0)

Min 1Max 6

—

Usage notes

—

CTT Loop end

030

Summary > SE

Transaction Set Trailer

RequiredMax use 1

—

Example

SE-01

Number of Included Segments

Required

Numeric (N0)

Min 1Max 10

—

SE-02

329

Transaction Set Control Number

Required

Numeric (N)

Min 4Max 9

—

Summary end

Functional Group Trailer

RequiredMax use 1

—

Example

GE-01

Number of Transaction Sets Included

Required

Numeric (N0)

Min 1Max 6

—

GE-02

Group Control Number

Required

Numeric (N0)

Min 1Max 9

—

IEA

Interchange Control Trailer

RequiredMax use 1

—

Example

IEA-01

I16

Number of Included Functional Groups

Required

Numeric (N0)

Min 1Max 5

—

IEA-02

I12

Interchange Control Number

Required

Numeric (N0)

Min 9Max 9

—

EDI Samples

855-Curated-Sample

ISA*00* *00* *ZZ*partnercurated *ZZ*pocurated *240108*0650*U*00401*000000085*0*T*>~
GS*PR*partnercurated*pocurated*20240108*065005*000000085*X*004010~
ST*855*55447~
BAK*00*AC*9045020-7601016*20240108~
PO1*1*10*EA*10*PE*SK*00193177026222~
ACK*IA*10*EA*038*20230525~
PO1*2*10*EA*20*PE*SK*00193177359153~
ACK*IA*10*EA*038*20230525~
CTT*00000~
SE*8*55447~
GE*1*000000085~
IEA*1*000000085~

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