The EDI 855 is also known as an EDI Purchase Order Acknowledgement or POA is part of Common EDI Transactions and Codes. EDI 855 is usually sent to a vendor as the second step in the ordering process in response to an EDI 850 Purchase Order, confirming the receipt of a new order.

What does EDI 855 include

• Interchange control header

• Purchase Order Number

• Date of Purchase Order

• Product infortmation

• Delivery information

• Сhange in price or quantity

Purchase Order Processing Procedure

In most retail environments, the edi messaging routine is as follows:

1. EDI 850 Purchase Order - receiving EDI Purchase Order from the trading partner.

2. EDI 997 Functional Acknowledgement - send confirmation of receipt of the Purchase Order.

3. EDI 855 Order Acknowledgement - sending a message confirming your agreement to comply with the requirements of the Purchase Order.

4. EDI 856 Advanced Shipping Notice - sending a message with delivery information: carrier, delivery date, package, tracking number.

5. EDI 810 Invoice - sending an invoice.

Specification

"This X12 Transaction Set contains the format and establishes the data contents of the Purchase Order Acknowledgment Transaction Set (855) 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 a seller's acknowledgment of a buyer's purchase order. This transaction set can also be used as notification of a vendor generated order. This usage advises a buyer that a vendor has or will ship merchandise as prearranged in their partnership." Stated by x12.org

Source: Accredited Standards Committee X12. ASC X12 Standard [Table Data]. Data Interchange Standards Association, Inc., Falls Church, VA. https://x12.org/products/transaction-sets

Example of EDI 855 Purchase Order Acknowledgement

ISA*00*          *00*          *ZZ*008883494     *ZZ*0044453762      *221104*1514*U*00401*000027716*0*P*<
GS*PR*008883494*0044453762*20221104*1514*2628*X*004010
ST*855*5408
BAK*00*AC*3337080159*20221104****
REF*KD*10
REF*IA*19903762
REF*CR*0111112226
REF*IT*WEB2220782781
PER*BD*Purchasing Dept*TE*847-535-4000***EM*Grainger.Purchasing@grainger.com
PER*DI*MILLY CHRISTOPHER*TE*(725)737-9906
N1*OB*WW GRAINGER INC
N1*VN*DEMO COMPANY LLC
N1*SF*DEMO COMPANY LLC
N3*43 DEMO STREET*
N4*DEMOTOWN*NY*11645*US
N1*ST*DEMO CUSTOMER INC.*92*TPSO
N3*215 12th Ave NE*Christopher MILLY
N4*Jacksonville*AL*36265*US
N1*SO*DEMO CUSTOMER INC.
N2*WEB2220782781
N3*215 12th Ave NE
N4*Jacksonville*AL*36265*
PO1*00001*12*EA*8.37**CB*88CL30*VN*010020095***PL*000003***MG*010020095
PID*F****Demo item description
FOB*CC*OA***FCA
ACK*IA*12*EA
SCH*12*EA***068*20221109
CTT*1
SE*27*5408
GE*1*2628
IEA*1*000027716