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Purchase Order
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X12 850 Purchase Order

X12 Release 4010

This Draft Standard for Trial Use 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
EDI sample
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    Overview
    ISA
    -
    Interchange Control Header
    Max use 1
    Required
    GS
    -
    Functional Group Header
    Max use 1
    Required
    heading
    ST
    010
    Transaction Set Header
    Max use 1
    Required
    BEG
    020
    Beginning Segment for Purchase Order
    Max use 1
    Required
    PER
    060
    Administrative Communications Contact
    Max use 3
    Required
    N1 Loop Ship To
    TD5
    315
    Carrier Details (Routing Sequence/Transit Time)
    Max use 12
    Required
    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 to identify 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

    Code to identify 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

    Qualifier to designate 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

    Qualifier to designate 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
    YYMMDD format

    Date of the interchange

    ISA-10
    I09
    Interchange Time
    Required
    HHMM format

    Time of the interchange

    ISA-11
    I10
    Interchange Control Standards Identifier
    Required

    Code to identify the agency responsible for the control standard used by the message that is enclosed by the interchange header and trailer

    U
    U.S. EDI Community of ASC X12, TDCC, and UCS
    ISA-12
    I11
    Interchange Control Version Number
    Required

    This version number covers the interchange control segments

    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

    A control number assigned by the interchange sender

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

    Code sent by the sender to request an interchange acknowledgment (TA1)

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

    Code to indicate 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

    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

    GS-04
    373
    Date
    Required
    CCYYMMDD format

    Date expressed as CCYYMMDD

    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
    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 used in conjunction with Data Element 480 to identify the issuer of the standard

    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

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

    Heading

    ST
    010
    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

    Code uniquely identifying a Transaction Set

    • The transaction set identifier (ST01) 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
    020
    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

    Code identifying purpose of transaction set

    00
    Original
    BEG-02
    92
    Purchase Order Type Code
    Required

    Code specifying the type of Purchase Order

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

    Identifying number for Purchase Order assigned by the orderer/purchaser

    BEG-04
    328
    Release Number
    Optional
    String (AN)
    Min 1Max 30

    Number identifying a release against a Purchase Order previously placed by the parties involved in the transaction

    BEG-05
    373
    Date
    Required
    CCYYMMDD format

    Date expressed as CCYYMMDD

    • BEG05 is the date assigned by the purchaser to purchase order.
    PER
    060
    Heading > PER

    Administrative Communications Contact

    RequiredMax use 3

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

    Example
    PER-01
    366
    Contact Function Code
    Required

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

    BD
    Buyer Name or Department
    PER-02
    93
    Name
    Required
    String (AN)
    Min 1Max 60

    Free-form name

    PER-03
    365
    Communication Number Qualifier
    Required

    Code identifying the type of communication number

    PH
    Phone
    TE
    Telephone
    PER-04
    364
    Communication Number
    Required
    String (AN)
    Min 1Max 80

    Complete communications number including country or area code when applicable

    N1 Loop Ship To
    RequiredMax >1
    N1
    310
    Heading > N1 Loop Ship To > N1

    Name

    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

    ST
    Ship To
    N1-02
    93
    Name
    Required
    String (AN)
    Min 1Max 60

    Free-form name

    N3
    330
    Heading > N1 Loop Ship To > N3

    Address Information

    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
    340
    Heading > N1 Loop Ship To > 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
    Required
    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.
    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

    REF
    350
    Heading > N1 Loop Ship To > REF

    Reference Identification

    RequiredMax use 12

    To specify identifying information

    Example
    REF-01
    128
    Reference Identification Qualifier
    Required

    Code qualifying the Reference Identification

    VR
    Vendor ID Number
    REF-02
    127
    Reference Identification
    Required
    String (AN)
    Min 1Max 30

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

    Usage notes

    Vendor ID number

    N1 Loop Ship To end
    TD5
    315
    Heading > TD5

    Carrier Details (Routing Sequence/Transit Time)

    RequiredMax use 12

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

    Example
    TD5-02
    66
    Identification Code Qualifier
    Required

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

    2
    Standard Carrier Alpha Code (SCAC)
    TD5-03
    67
    Identification Code
    Required
    String (AN)
    Min 2Max 80

    Code identifying a party or other code

    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

    TD5-12
    284
    Service Level Code
    Required

    Code indicating the level of transportation service or the billing service offered by the transportation carrier

    CG
    Ground
    Heading end

    Detail

    PO1 Loop
    RequiredMax >1
    PO1
    010
    Detail > PO1 Loop > PO1

    Baseline Item Data

    RequiredMax use 1

    To specify basic and most frequently used line item data

    • PO102 is required.
    Example
    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
    330
    Quantity Ordered
    Required
    Decimal number (R)
    Min 1Max 15

    Quantity ordered

    PO1-03
    355
    Unit or Basis for Measurement Code
    Required

    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.

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

    Code identifying the type of unit price for an item

    PO1-06
    235
    Product/Service ID Qualifier
    Required

    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
    Required
    String (AN)
    Min 1Max 48

    Identifying number for a product or service

    PO1-08
    235
    Product/Service ID Qualifier
    Required

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

    BP
    Buyer's Part Number
    PO1-09
    234
    Product/Service ID
    Required
    String (AN)
    Min 1Max 48

    Identifying number for a product or service

    PO1 Loop end
    Detail end

    Summary

    CTT Loop
    RequiredMax >1
    CTT
    010
    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-02
    347
    Hash Total
    Required
    Decimal number (R)
    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 prior to truncation.
    855 Hash total after truncation to three-digit field.

    CTT Loop end
    SE
    030
    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

    EDI Samples

    Test 850

    ISA*00* *00* *ZZ*SENDER *ZZ*RECEIVER *231117*0024*U*00401*000000001*0*T*>~
    GS*PO*SENDERGS*RECEIVERGS*20231117*002401*000000001*X*004010~
    ST*850*0001~
    BEG*00*DS*923987609**20230706~
    PER*BD*Joseph Jones*PH*+1-864-715-6474~
    N1*ST*Joseph Jones~
    N3*122 Grove Street~
    N4*Clinton *SC*29325~
    REF*VR*923987609~
    TD5**2*FDE**FEDEX*******CG~
    PO1*1*1*EA*258.05*PE*VP*67-6001*BP*A1676001~
    CTT*3*3~
    SE*11*0001~
    GE*1*000000001~
    IEA*1*000000001~

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