Different Qualifiers in Purchase Order Baseline Item (PO1) Segment

The PO1 (Purchase Order Baseline Item Data) segment in X12 EDI transactions is used to specify details about individual items in a purchase order. 

Each qualifier in the PO1 segment adds context to the item being described, such as product or service identification, pricing, or units.

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Common Qualifiers in PO1 Segment

PO107 - Product/Service ID Qualifier

This element specifies the type of product or service identifier used in PO108.

Qualifier (PO107)	Description
BP	Buyer’s Part Number
VP	Vendor’s Part Number
UP	UPC (Universal Product Code)
EN	EAN (European Article Number)
MG	Manufacturer's Part Number
PL	Purchaser’s Catalog Number
SK	Stock Keeping Unit (SKU)
PI	Purchaser’s Item Code
PO	Purchase Order Number
ZZ	Mutually Defined

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PO109 - Product/Service ID

This element contains the actual identifier based on the qualifier in PO107.

For example:

PO1**1*EA*25.00**BP*12345~

Here, 12345 is the Buyer’s Part Number.

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Other Key Qualifiers in PO1

PO103 - Unit of Measure Code

Code	Description
EA	Each
CA	Case
LB	Pound
KG	Kilogram
DZ	Dozen

PO105 - Basis of Unit Price Code

Code	Description
PE	Price per Each
PP	Price per Pound
PN	Price per Unit

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PO1 Segment Structure

The structure of the PO1 segment includes:

• PO101: Assigned Identification (line item number).
• PO102: Quantity Ordered.
• PO103: Unit of Measure Code.
• PO104: Unit Price.
• PO105: Basis of Unit Price Code.
• PO106/PO107: Product/Service ID Qualifier.
• PO108/PO109: Product/Service ID.

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Example PO1 Segment

PO1*001*10*EA*12.50*PE*BP*123456789*VP*987654321~

• PO101: Line item 001.
• PO102: Quantity 10.
• PO103: Unit of measure is "Each" (EA).
• PO104: Unit price is $12.50.
• PO105: Price basis is "Price per Each" (PE).
• PO107: Buyer’s Part Number (BP) with ID 123456789.
• PO108: Vendor’s Part Number (VP) with ID 987654321.