Over on the EDI-L Yahoo group, a poster was talking (ranting?) about some issues they were having with possibly having to change their client's EDI ISA/GS IDs and all the "trouble"(?) that would cause.  It was a long and convoluted tale about Company A selling a division (that did orders via EDI) to Company B and maintaining that EDI connectivity and activity - using the same ISA/GS qualifier and ID - and something about another division of Company B now going EDI and what ID and . . . well, it was very confusing to read and is still a bit muddled in My head, so maybe go and read it for yourself, here.  Oh, BTW, the ID in question was the DUNS+ ID - where you use your DUNS number and add some number to it.  I don't know about that, as we use a phone number for our EDI ID. Company B has also purchased other "divisions" over the years - some EDI, and I guess, some not.  And now some of these divisions may be trading with a whole new set of clients - and maybe even some of the same? - as the original division acquired oh-so-long-ago from Company A. But I had replied to the original post with the concept that, "way back ...