**These specifications are a base model. All customers are responsible for ensuring their map or EDI is compliant with their trading partner's most current specifications.
X12 850 Purchase Order (Warehouse)
Revised March 31, 2023
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 samples
None included
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*00* *00* *XX*XXXXXXXXXXXXXXX*XX*XXXXXXXXXXXXXXX*240628*1450*U*00401*000000000*X*X*>~
Authorization Information Qualifier
Required
Identifier (ID)
Code to identify the type of information in the Authorization Information
00
No Authorization Information Present (No Meaningful Information in 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)
Security Information Qualifier
Required
Identifier (ID)
Code to identify the type of information in the Security Information
00
No Security Information Present (No Meaningful Information in 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)
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
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
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
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
Interchange Date
Required
Date (DT)
YYMMDD format
Date of the interchange
Interchange Time
Required
Time (TM)
HHMM format
Time of the interchange
Interchange Control Standards Identifier
Required
Identifier (ID)
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
Interchange Control Version Number
Required
Identifier (ID)
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
Interchange Control Number
Required
Numeric (N0)
Min 9Max 9
A control number assigned by the interchange sender
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
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
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*PO*XXXXXX*XXXXXXX*20240628*1213*000*X*004010~
Functional Identifier Code
Required
Identifier (ID)
Code identifying a group of application related transaction sets
PO
Purchase Order (850)
Application Sender's Code
Required
String (AN)
Min 2Max 15
Code identifying party sending transmission; codes agreed to by trading partners
Application Receiver's Code
Required
String (AN)
Min 2Max 15
Code identifying party receiving transmission. Codes agreed to by trading partners
Date
Required
Date (DT)
CCYYMMDD format
Date expressed as CCYYMMDD
Time
Required
Time (TM)
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)
Group Control Number
Required
Numeric (N0)
Min 1Max 9
Assigned number originated and maintained by the sender
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
Version / Release / Industry Identifier Code
Required
String (AN)
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
010
Transaction Set Header
RequiredMax use 1
To indicate the start of a transaction set and to assign a control number
Example
ST*850*0001~
Transaction Set Identifier Code
Required
Identifier (ID)
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
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
020
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*00*ZZ*XXXXXX**20230330~
Transaction Set Purpose Code
Required
Identifier (ID)
Code identifying purpose of transaction set
00
Original
Purchase Order Type Code
Required
Identifier (ID)
Code specifying the type of Purchase Order
SA
Stand-alone Order
ZZ
Mutually Defined
Purchase Order Number
Required
String (AN)
Min 1Max 22
Identifying number for Purchase Order assigned by the orderer/purchaser
Usage notes
LLLMMDDNNN
Date
Required
Date (DT)
CCYYMMDD format
Date expressed as CCYYMMDD
- BEG05 is the date assigned by the purchaser to purchase order.
050
Department Number
OptionalMax use >1
To specify identifying information
Example
REF*DP*XX*X~
Variants (all may be used)
REFDivision IdentifierREFMutually DefinedREFVendor ID Number
At least one of Reference Identification (REF-02) or Description (REF-03) is required
Reference Identification Qualifier
Required
Identifier (ID)
Code qualifying the Reference Identification
DP
Department Number
Reference Identification
Optional
String (AN)
Min 1Max 30
Reference information as defined for a particular Transaction Set or as specified by the Reference Identification Qualifier
Usage notes
Department number.
Description
Optional
String (AN)
Min 1Max 80
A free-form description to clarify the related data elements and their content
Usage notes
Costco department.
050
Division Identifier
OptionalMax use >1
To specify identifying information
Example
REF*19*XXXXX*XXXX~
Variants (all may be used)
REFDepartment NumberREFMutually DefinedREFVendor ID Number
At least one of Reference Identification (REF-02) or Description (REF-03) is required
Reference Identification Qualifier
Required
Identifier (ID)
Code qualifying the Reference Identification
19
Division Identifier
Reference Identification
Optional
String (AN)
Min 1Max 30
Reference information as defined for a particular Transaction Set or as specified by the Reference Identification Qualifier
Usage notes
Region location.
Description
Optional
String (AN)
Min 1Max 80
A free-form description to clarify the related data elements and their content
Usage notes
Costco region.
050
Mutually Defined
OptionalMax use >1
To specify identifying information
Usage notes
Up to 2 iterations of REF (ZZ)
1st: COSTCO BUYER VENDOR NUMBER
2nd: COSTCO BUYER VENDOR SUFFIX
Example
REF*ZZ*XXXX*X~
Variants (all may be used)
REFDepartment NumberREFDivision IdentifierREFVendor ID Number
At least one of Reference Identification (REF-02) or Description (REF-03) is required
Reference Identification Qualifier
Required
Identifier (ID)
Code qualifying the Reference Identification
ZZ
Mutually Defined
Reference Identification
Optional
String (AN)
Min 1Max 30
Reference information as defined for a particular Transaction Set or as specified by the Reference Identification Qualifier
Usage notes
1st: BUYER VENDOR NUMBER
2nd: BUYER VENDOR SUFFIX
Description
Optional
String (AN)
Min 1Max 80
A free-form description to clarify the related data elements and their content
Usage notes
1st: COSTCO BUYER VENDOR NUMBER
2nd: COSTCO BUYER VENDOR SUFFIX
050
Vendor ID Number
OptionalMax use >1
To specify identifying information
Example
REF*VR*X~
Variants (all may be used)
REFDepartment NumberREFDivision IdentifierREFMutually Defined
Reference Identification Qualifier
Required
Identifier (ID)
Code qualifying the Reference Identification
VR
Vendor ID Number
Reference Identification
Optional
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 number.
080
F.O.B. Related Instructions
OptionalMax use >1
To specify transportation instructions relating to shipment
Example
FOB*XX*ZZ*XXXXX~
If Description (FOB-03) is present, then Location Qualifier (FOB-02) is required
Shipment Method of Payment
Required
Identifier (ID)
Min 2Max 2
Code identifying payment terms for transportation charges
- FOB01 indicates which party will pay the carrier.
Location Qualifier
Optional
Identifier (ID)
Code identifying type of location
- FOB02 is the code specifying transportation responsibility location.
ZZ
Mutually Defined
Description
Optional
String (AN)
Min 1Max 80
A free-form description to clarify the related data elements and their content
SAC Loop
OptionalMax >1
120
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*A*ZZZZ***0000000000000*******03***XXXXXX~
Allowance or Charge Indicator
Required
Identifier (ID)
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
C
Charge
Service, Promotion, Allowance, or Charge Code
Optional
Identifier (ID)
Code identifying the service, promotion, allowance, or charge
ZZZZ
Mutually Defined
Amount
Optional
Numeric (N2)
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.
Allowance or Charge Method of Handling Code
Optional
Identifier (ID)
Code indicating method of handling for an allowance or charge
02
Off Invoice
03
Vendor Check to Customer
06
Charge to be Paid by Customer
Description
Optional
String (AN)
Min 1Max 80
A free-form description to clarify the related data elements and their content
130
Terms of Sale/Deferred Terms of Sale
OptionalMax use >1
To specify terms of sale
Example
ITD*XX*XX*000000*20230330*0*20230331*00*****XXXXXX~
Terms Type Code
Optional
Identifier (ID)
Min 2Max 2
Code identifying type of payment terms
- If the code in ITD01 is "04", then ITD07 or ITD09 is required and either ITD10 or ITD11 is required; if the code in ITD01 is "05", then ITD06 or ITD07 is required.
Terms Basis Date Code
Optional
Identifier (ID)
Min 1Max 2
Code identifying the beginning of the terms period
Terms Discount Percent
Optional
Decimal number (R)
Min 1Max 6
Terms discount percentage, expressed as a percent, available to the purchaser if an invoice is paid on or before the Terms Discount Due Date
Terms Discount Due Date
Optional
Date (DT)
CCYYMMDD format
Date payment is due if discount is to be earned expressed in format CCYYMMDD
Usage notes
Only if fixed due date.
Terms Discount Days Due
Optional
Numeric (N0)
Min 1Max 3
Number of days in the terms discount period by which payment is due if terms discount is earned
Terms Net Due Date
Optional
Date (DT)
CCYYMMDD format
Date when total invoice amount becomes due expressed in format CCYYMMDD
Usage notes
Only if fixed due date.
Terms Net Days
Optional
Numeric (N0)
Min 1Max 3
Number of days until total invoice amount is due (discount not applicable)
Description
Optional
String (AN)
Min 1Max 80
A free-form description to clarify the related data elements and their content
150
Cancel if not shipped by
OptionalMax use 10
To specify pertinent dates and times
Example
DTM*175*20230330~
Variants (all may be used)
DTMDelivery RequestedDTMRequested Ship
Date/Time Qualifier
Required
Identifier (ID)
Code specifying type of date or time, or both date and time
175
Cancel if not shipped by
Date
Optional
Date (DT)
CCYYMMDD format
Date expressed as CCYYMMDD
Usage notes
Cancel if not shipped by.
150
Delivery Requested
OptionalMax use 10
To specify pertinent dates and times
Example
DTM*002*20230330~
Variants (all may be used)
DTMCancel if not shipped byDTMRequested Ship
Date/Time Qualifier
Required
Identifier (ID)
Code specifying type of date or time, or both date and time
002
Delivery Requested
Date
Optional
Date (DT)
CCYYMMDD format
Date expressed as CCYYMMDD
Usage notes
Arrival date.
150
Requested Ship
OptionalMax use 10
To specify pertinent dates and times
Example
DTM*010*20230330~
Variants (all may be used)
DTMCancel if not shipped byDTMDelivery Requested
Date/Time Qualifier
Required
Identifier (ID)
Code specifying type of date or time, or both date and time
010
Requested Ship
Date
Optional
Date (DT)
CCYYMMDD format
Date expressed as CCYYMMDD
Usage notes
Ship dates.
240
Carrier Details (Routing Sequence/Transit Time)
OptionalMax use 12
To specify the carrier and sequence of routing and provide transit time information
Example
TD5*****X~
Routing
Optional
String (AN)
Min 1Max 35
Free-form description of the routing or requested routing for shipment, or the originating carrier's identity
N9 Special Clause
OptionalMax >1
Variants (all may be used)
295
Reference Identification
RequiredMax use 1
To transmit identifying information as specified by the Reference Identification Qualifier
Example
N9*H5*XX~
Reference Identification Qualifier
Required
Identifier (ID)
Code qualifying the Reference Identification
H5
Special Clause
Reference Identification
Optional
String (AN)
Min 1Max 30
Reference information as defined for a particular Transaction Set or as specified by the Reference Identification Qualifier
Usage notes
Legal disclaimer.
300
Message Text
OptionalMax use 1000
To provide a free-form format that allows the transmission of text information
Example
MSG*XXX~
Free-Form Message Text
Required
String (AN)
Min 1Max 264
Free-form message text
N9 Standard Clause
OptionalMax >1
Variants (all may be used)
295
Reference Identification
RequiredMax use 1
To transmit identifying information as specified by the Reference Identification Qualifier
Example
N9*H7*XXXX~
Reference Identification Qualifier
Required
Identifier (ID)
Code qualifying the Reference Identification
H7
Standard Clause
Reference Identification
Optional
String (AN)
Min 1Max 30
Reference information as defined for a particular Transaction Set or as specified by the Reference Identification Qualifier
Usage notes
Special instructions.
300
Message Text
OptionalMax use 1000
To provide a free-form format that allows the transmission of text information
Example
MSG*XX~
Free-Form Message Text
Required
String (AN)
Min 1Max 264
Free-form message text
N1 Loop
OptionalMax >1
310
Name
RequiredMax use 1
To identify a party by type of organization, name, and code
Example
N1*ST*X*9*XXX~
At least one of Name (N1-02) or Identification Code Qualifier (N1-03) is required
If either Identification Code Qualifier (N1-03) or Identification Code (N1-04) is present, then the other is required
Entity Identifier Code
Required
Identifier (ID)
Code identifying an organizational entity, a physical location, property or an individual
ST
Ship To
Name
Optional
String (AN)
Min 1Max 60
Free-form name
Identification Code Qualifier
Optional
Identifier (ID)
Code designating the system/method of code structure used for Identification Code (67)
9
D-U-N-S+4, D-U-N-S Number with Four Character Suffix
Identification Code
Optional
String (AN)
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.
330
Address Information
OptionalMax use 2
To specify the location of the named party
Example
N3*XXXX~
Address Information
Required
String (AN)
Min 1Max 55
Address information
340
Geographic Location
OptionalMax use >1
To specify the geographic place of the named party
Example
N4*XX*XX*XXXXXX~
City Name
Optional
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.
State or Province Code
Optional
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.
Postal Code
Optional
Identifier (ID)
Min 3Max 15
Code defining international postal zone code excluding punctuation and blanks (zip code for United States)
360
Administrative Communications Contact
OptionalMax use >1
To identify a person or office to whom administrative communications should be directed
Example
PER*RE**TE*XXX~
If either Communication Number Qualifier (PER-03) or Communication Number (PER-04) is present, then the other is required
Contact Function Code
Required
Identifier (ID)
Code identifying the major duty or responsibility of the person or group named
RE
Receiving Contact
Communication Number Qualifier
Optional
Identifier (ID)
Code identifying the type of communication number
TE
Telephone
Communication Number
Optional
String (AN)
Min 1Max 80
Complete communications number including country or area code when applicable
Usage notes
Delivery appointment number.
Detail
PO1 Loop
RequiredMax >1
010
Baseline Item Data
RequiredMax use 1
To specify basic and most frequently used line item data
- PO102 is required.
Example
PO1*X*0000000*PL*0000**VN*XXXX*IN*XXX~
If Unit or Basis for Measurement Code (PO1-03) is present, then Quantity Ordered (PO1-02) 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
Assigned Identification
Optional
String (AN)
Min 1Max 20
Alphanumeric characters assigned for differentiation within a transaction set
- PO101 is the line item identification.
Usage notes
Sequence number.
Quantity Ordered
Optional
Decimal number (R)
Min 1Max 15
Quantity ordered
Unit or Basis for Measurement Code
Optional
Identifier (ID)
Code specifying the units in which a value is being expressed, or manner in which a measurement has been taken
CA
Case
EA
Each
PL
Pallet/Unit Load
Unit Price
Optional
Decimal number (R)
Min 1Max 15
Price per unit of product, service, commodity, etc.
Product/Service ID Qualifier
Optional
Identifier (ID)
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.
IB
International Standard Book Number (ISBN)
IN
Buyer's Item Number
UA
U.P.C./EAN Case Code (2-5-5)
UI
U.P.C. Consumer Package Code (1-5-5)
UP
U.P.C. Consumer Package Code (1-5-5-1)
VN
Vendor's (Seller's) Item Number
Product/Service ID
Optional
String (AN)
Min 1Max 48
Identifying number for a product or service
Usage notes
Costco's item number, vendor's model number, designated UPC, or ISBN.
Product/Service ID Qualifier
Optional
Identifier (ID)
Code identifying the type/source of the descriptive number used in Product/Service ID (234)
IN
Buyer's Item Number
Product/Service ID
Optional
String (AN)
Min 1Max 48
Identifying number for a product or service
Usage notes
Costco's item number.
PID Loop
OptionalMax >1
050
Product/Item Description
RequiredMax use 1
To describe a product or process in coded or free-form format
Example
PID*F****XXXX~
Item Description Type
Required
Identifier (ID)
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
Description
Optional
String (AN)
Min 1Max 80
A free-form description to clarify the related data elements and their content
SAC Loop
OptionalMax >1
130
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*C*ZZZZ***000000*******02***XX~
Allowance or Charge Indicator
Required
Identifier (ID)
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
C
Charge
Service, Promotion, Allowance, or Charge Code
Optional
Identifier (ID)
Code identifying the service, promotion, allowance, or charge
ZZZZ
Mutually Defined
Amount
Optional
Numeric (N2)
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.
Allowance or Charge Method of Handling Code
Optional
Identifier (ID)
Code indicating method of handling for an allowance or charge
02
Off Invoice
03
Vendor Check to Customer
06
Charge to be Paid by Customer
Description
Optional
String (AN)
Min 1Max 80
A free-form description to clarify the related data elements and their content
Summary
CTT Loop
OptionalMax >1
010
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*0*00000~
Number of Line Items
Required
Numeric (N0)
Min 1Max 6
Total number of line items in the transaction set
Hash Total
Optional
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.
030
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*000000*0001~
Number of Included Segments
Required
Numeric (N0)
Min 1Max 10
Total number of segments included in a transaction set including ST and SE segments
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
Functional Group Trailer
RequiredMax use 1
To indicate the end of a functional group and to provide control information
Example
GE*000*0000~
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
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*00000*000000000~
Number of Included Functional Groups
Required
Numeric (N0)
Min 1Max 5
A count of the number of functional groups included in an interchange
Interchange Control Number
Required
Numeric (N0)
Min 9Max 9
A control number assigned by the interchange sender
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