X12 855 Purchase Order Acknowledgement

X12 Release 4010

Delimiters

• ~ Segment
• * Element
• > Component

ISA Interchange Control Header

Required · Max use 1

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

• 00: No Authorization Information Present (No Meaningful Information in I02)

ISA-02 · I02 · Authorization Information · Required · String (AN) · Min 10 Max 10

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

• 00: No Security Information Present (No Meaningful Information in I04)

ISA-04 · I04 · Security Information · Required · String (AN) · Min 10 Max 10

ISA-05 · I05 · Interchange ID Qualifier · Required · Identifier (ID) · Min 2 Max 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-06 · I06 · Interchange Sender ID · Required · String (AN) · Min 15 Max 15

ISA-07 · I05 · Interchange ID Qualifier · Required · Identifier (ID) · Min 2 Max 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 15 Max 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 9 Max 9

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

• 0: No Acknowledgment Requested
• 1: Interchange Acknowledgment Requested

ISA-15 · I14 · Usage Indicator · Required · Identifier (ID) · Min 1 Max 1

• I: Information
• P: Production Data
• T: Test Data

ISA-16 · I15 · Component Element Separator · Required · String (AN) · Min 1 Max 1

• >: Component Element Separator

GS Functional Group Header

Required · Max use 1

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 2 Max 15

GS-03 · 124 · Application Receiver's Code · Required · String (AN) · Min 2 Max 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 · 28 · Group Control Number · Required · Numeric (N0) · Min 1 Max 9

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

ST Transaction Set Header

Required · Max use 1

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 4 Max 9

020 Heading > BAK

BAK Beginning Segment for Purchase Order Acknowledgment

Required · Max use 1

BAK-01 · 353 · Transaction Set Purpose Code · Required · Identifier (ID)

• 00: Original
• 04: Change

BAK-02 · 587 · Acknowledgment Type · Required · Identifier (ID)

• AC: Acknowledge - With Detail and Change
• AD: Acknowledge - With Detail, No Change
• RD: Reject with Detail

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

BAK-04 · 373 · Date · Required · Date (DT) · CCYYMMDD format

BAK-05 · 328 · Release Number · Optional · String (AN) · Min 1 Max 30

BAK-08 · 127 · Reference Identification · Optional · String (AN) · Min 1 Max 30

BAK-09 · 373 · Date · Optional · Date (DT) · CCYYMMDD format

N1 Loop Optional Max 200

300 Heading > N1 Loop > N1

N1 Name

Required · Max use 1

If either Identification Code Qualifier (N1-03) or Identification Code (N1-04) is present, then the other is required

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

• BS: Bill and Ship To
• BT: Bill-to-Party
• ST: Ship To

N1-02 · 93 · Name · Optional · String (AN) · Min 1 Max 60

N1-03 · 66 · Identification Code Qualifier · Optional · Identifier (ID)

• 1: D-U-N-S Number, Dun & Bradstreet
• 9: D-U-N-S+4, D-U-N-S Number with Four Character Suffix
• 91: Assigned by Seller or Seller's Agent
• 92: Assigned by Buyer or Buyer's Agent
• ZZ: Mutually Defined

N1-04 · 67 · Identification Code · Optional · String (AN) · Min 2 Max 80

310 Heading > N1 Loop > N2

N2 Additional Name Information

Optional · Max use 2

N2-01 · 93 · Name · Required · String (AN) · Min 1 Max 60

N2-02 · 93 · Name · Optional · String (AN) · Min 1 Max 60

320 Heading > N1 Loop > N3

N3 Address Information

Optional · Max use 2

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

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

330 Heading > N1 Loop > N4

N4 Geographic Location

Optional · Max use 1

N4-01 · 19 · City Name · Optional · String (AN) · Min 2 Max 30

N4-02 · 156 · State or Province Code · Optional · Identifier (ID) · Min 2 Max 2

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

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

Detail

PO1 Loop Optional Max 100000

010 Detail > PO1 Loop > PO1

PO1 Baseline Item Data

Required · Max use 1

If Unit or Basis for Measurement Code (PO1-03) is present, then Quantity Ordered (PO1-02) is required

If Basis of Unit Price Code (PO1-05) is present, then Unit Price (PO1-04) is required

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 (PO1-14) or Product/Service ID (PO1-15) is present, then the other is required

If either Product/Service ID Qualifier (PO1-16) or Product/Service ID (PO1-17) is present, then the other is required

If either Product/Service ID Qualifier (PO1-18) or Product/Service ID (PO1-19) is present, then the other is required

If either Product/Service ID Qualifier (PO1-20) or Product/Service ID (PO1-21) is present, then the other is required

If either Product/Service ID Qualifier (PO1-22) or Product/Service ID (PO1-23) is present, then the other is required

PO1-01 · 350 · Assigned Identification · Optional · String (AN) · Min 1 Max 20

PO1-02 · 330 · Quantity Ordered · Optional · Decimal number (R) · Min 1 Max 15

PO1-03 · 355 · Unit or Basis for Measurement Code · Optional · Identifier (ID) · Min 2 Max 2

PO1-04 · 212 · Unit Price · Optional · Decimal number (R) · Min 1 Max 15

PO1-05 · 639 · Basis of Unit Price Code · Optional · Identifier (ID) · Min 2 Max 2

PO1-06 · 235 · Product/Service ID Qualifier · Optional · Identifier (ID) · Min 2 Max 2

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

PO1-08 · 235 · Product/Service ID Qualifier · Optional · Identifier (ID) · Min 2 Max 2

PO1-09 · 234 · Product/Service ID · Optional · String (AN) · Min 1 Max 48

PO1-10 · 235 · Product/Service ID Qualifier · Optional · Identifier (ID) · Min 2 Max 2

PO1-11 · 234 · Product/Service ID · Optional · String (AN) · Min 1 Max 48

PO1-12 · 235 · Product/Service ID Qualifier · Optional · Identifier (ID) · Min 2 Max 2

PO1-13 · 234 · Product/Service ID · Optional · String (AN) · Min 1 Max 48

PO1-14 · 235 · Product/Service ID Qualifier · Optional · Identifier (ID) · Min 2 Max 2

PO1-15 · 234 · Product/Service ID · Optional · String (AN) · Min 1 Max 48

PO1-16 · 235 · Product/Service ID Qualifier · Optional · Identifier (ID) · Min 2 Max 2

PO1-17 · 234 · Product/Service ID · Optional · String (AN) · Min 1 Max 48

PO1-18 · 235 · Product/Service ID Qualifier · Optional · Identifier (ID) · Min 2 Max 2

PO1-19 · 234 · Product/Service ID · Optional · String (AN) · Min 1 Max 48

PO1-20 · 235 · Product/Service ID Qualifier · Optional · Identifier (ID) · Min 2 Max 2

PO1-21 · 234 · Product/Service ID · Optional · String (AN) · Min 1 Max 48

PO1-22 · 235 · Product/Service ID Qualifier · Optional · Identifier (ID) · Min 2 Max 2

PO1-23 · 234 · Product/Service ID · Optional · String (AN) · Min 1 Max 48

040 Detail > PO1 Loop > CTP

CTP Pricing Information

Optional · Max use >1

CTP-02 · 236 · Price Identifier Code · Optional · Identifier (ID)

• CHG: Changed Price

CTP-03 · 212 · Unit Price · Optional · Decimal number (R) · Min 1 Max 15

PID Loop Optional Max 1000

050 Detail > PO1 Loop > PID Loop > PID

PID Product/Item Description

Required · Max use 1

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

• F: Free-form

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

ACK Loop Optional Max 104

270 Detail > PO1 Loop > ACK Loop > ACK

ACK Line Item Acknowledgment

Required · Max use 1

If either Quantity (ACK-02) or Unit or Basis for Measurement Code (ACK-03) is present, then the other is required

If Date/Time Qualifier (ACK-04) is present, then Date (ACK-05) is required

If either Product/Service ID Qualifier (ACK-07) or Product/Service ID (ACK-08) is present, then the other is required

ACK-01 · 668 · Line Item Status Code · Required · Identifier (ID)

• DR: Item Accepted - Date Rescheduled
• IA: Item Accepted
• IB: Item Backordered
• IC: Item Accepted - Changes Made
• ID: Item Deleted
• IQ: Item Accepted - Quantity Changed

ACK-02 · 380 · Quantity · Optional · Decimal number (R) · Min 1 Max 15

ACK-03 · 355 · Unit or Basis for Measurement Code · Optional · Identifier (ID) · Min 2 Max 2

ACK-04 · 374 · Date/Time Qualifier · Optional · Identifier (ID)

• 002: Delivery Requested
• 010: Requested Ship
• 017: Estimated Delivery
• 067: Current Schedule Delivery
• 069: Promised for Delivery
• 079: Promised for Shipment

ACK-05 · 373 · Date · Optional · Date (DT) · CCYYMMDD format

ACK-07 · 235 · Product/Service ID Qualifier · Optional · Identifier (ID)

• VO: Vendor's Order Number

ACK-08 · 234 · Product/Service ID · Optional · String (AN) · Min 1 Max 48

Summary

CTT Loop Optional Max >1

010 Summary > CTT Loop > CTT

CTT Transaction Totals

Required · Max use 1

CTT-01 · 354 · Number of Line Items · Required · Numeric (N0) · Min 1 Max 6

CTT-02 · 347 · Hash Total · Optional · Decimal number (R) · Min 1 Max 10

030 Summary > SE

SE Transaction Set Trailer

Required · Max use 1

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

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

GE Functional Group Trailer

Required · Max use 1

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

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

IEA Interchange Control Trailer

Required · Max use 1

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

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

EDI Samples

Transaction example created from 3M Specification

ISA*00*          *00*          *ZZ*SENDER         *ZZ*RECEIVER       *231031*0050*U*00401*000000001*0*T*>~
GS*PR*SENDERGS*RECEIVERGS*20231031*005013*000000001*X*004010~
ST*855*0001~
BAK*04*AD*123456789*20230403*6758493021***98765432100*20230405~
N1*ST*Ship To Name*92*543678~
N2*Corner House INc*X~
N3*Address 1*Address 11~
N4*Atlanta*XX*111111*US~
N1*BT*Bill To Name*92*543678~
N2*Corner House INc*X~
N3*Address 2*Address 22~
N4*Atlanta*XX*666666*US~
PO1*1*60*CA*478*CT*UK*5566778899*XX*997755335~
CTP**CHG*556~
PID*F****3M Product Description~
ACK*IC*60*RL*079*20230404**VO*4006436482~
CTT*1~
SE*16*0001~
GE*1*000000001~
IEA*1*000000001~