CompTIA EIDX - Document ID - Product or Component ID

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CompTIA EIDX Document Identification: Product or Component Identification
Product numbers (a/k/a part numbers, items) are conveyed using the DE235/DE234 paired data elements in ASC X12 and the C212 composite element in UN EDIFACT. Multiple combinations may be used such as sending both the buyer part and the vendor part number. The preferred convention is to have a single product identification that means exactly the same interpretation to both trading partners. If this is not possible, then sufficient references to identify the product should be included. This may mean including both the buyer's product number and the seller's product number in paired fields within the segment, or including the buyer’s product number plus a key drawing reference, etc. Accompanying Engineering Changes (revisions) to the base product are often important for the trading partner to cross-reference the product properly. Engineering Changes are discussed further in another section.

ASC X12 and UN codes are identical, unless otherwise noted.

ASC X12 (DE235) / UN C21202 (DE7143)	DESCRIPTION	NOTE
AB	Assembly	Contract manufacturer (CM) may need to reference an assembly when ordering components from a Prime Contractor. It is also used when the part is being ordered from Contract Manufacturer by Prime Contractor.
BP	Buyer's Part Number	The presence of a part qualifier by the ‘BP’ code supersedes the importance of any other part sent on the segment. This means that the buyer product is the most important part to cross-reference to the seller’s internal part number if several part number qualifiers are sent.
EC	Engineering Change Level	Used to identify revision level of a product or part.
EN	International Article Number (formerly called European Article Number)	Number assigned to a manufacturer's product according to the International Article Numbering Association (EAN).
MG (X12) MF (UN)	Manufacturer’s Part Number	Use ‘MG’ only if the part must be clearly distinguished from the vendor part (VP).
PC (X12) UA (UN)	Prime Contractor Part Number Ultimate Customer’s Article Number	Use when appropriate.
UI (X12 only)	UPC Item Code (1-5-5)	Use when appropriate.
UP	UPC Consumer Package Code (1-5-5-1)	Use when appropriate. Note: The standards have other codes for other UPC formats.
VP	Vendor's (seller's) Part Number	The ‘VP’ is preferred over the ‘MF’ and ‘MG’ qualifiers in most buyer-seller relationships.
New code needed	Contract Manufacturer’s Part Number	Prime contractor may have to reference CM part number if placing an order with a supplier for drop Ship-To the CM.

Examples of product or component identification on any applicable segment:

TAG

DE
235

DE
234

DE
235

DE
234

DE
235

DE
234

DE
235

DE
234

(SEG)

...

B1234

011

V2345

‘

(SEG)

...

B1234

V2345

MX1A

‘

(SEG)

...

12-10

S121

AB923

065783456

‘

TAG

DE
4347

DE
7140

DE
7143

DE
7140

DE
7143

DE
7140

DE
7143

DE
7140

DE
7143

LIN

...

B1234

‘

PIA

011

V2345

‘

LIN

...

B1234

PIA

V2345

MX1A

‘

LIN

...

12-10

‘

PIA

V2345

AB923

011

065783456

‘