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RE: Control number in GS

From: Bill Chessman <bill.chessman@...>
Date: Wed Jun 19, 2002  11:06 pm
Subject: RE: [EDI-L] Control number in GS
Yajun,

Here's the second paragraph from X12 4050 part X12.6, section 3.9.1
(Functional Group Header and Trailer):

"In order to provide sufficient discrimination for the acknowledgment
process to operate reliably and to ensure that audit trails are unambiguous,
the combination of Functional ID Code (GS01), Application Sender's ID
(GS02), Application Receiver's ID (GS03), and Functional Group Control
Numbers (GS06, GE02) shall by themselves be unique within a reasonably
extended time frame whose boundaries shall be defined by trading partner
agreement. Because at some point it may be necessary to reuse a sequence of
control numbers, the Functional Group Date and Time may serve as an
additional discriminant only to differentiate functional group identity over
the longest possible time frame."

This seems to suggest that the combination of sender/receiver/functional ID
code/functional group control number should be unique "within a reasonablly
extended time frame" based on an agreement between you and your trading
partner. The discussion doesn't say anything about the relationship between
functional group level information and interchange level information.

Best regards,
Bill Chessman
Peregrine Systems, Inc.

-----Original Message-----
From: yliuaaa [mailto: Sent: Wednesday, June 19, 2002 3:53 PM
To: Subject: [EDI-L] Control number in GS


Hi,

Does control number in GS has to be unique for sender-receiver pair
or it needs to be unique just in an interchange?

If the control number in GS needs to be unique only in an
interchange, how can one create a 997?

Thanks.

--Yajun



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