How to pass along BOM info to vendor on PO?

Question

One of the moderators of the Metalink forum has told me that there is no connection between an item's BOM and a PO for this item.
Say I have an item which I purchase over and over, other than setting up a BOM with the components and vendor instructions, how do other companies pass along this information on the PO?
We are currently using short text attachments to pass along vendor instructions and are searching for a more elegant solution.
-Tracy

Answer 1

Please check the below thread..
@Subhankar:  But the answer you gave there is not correct.  FK03 is not the navigation point for one-time vendors or any vendor from the PO transaction, whether or not a manual address is maintained on the document itself, nor do you solve any address issues for one-time vendors by going there.
To the OP, the correct answer is that you can not maintain multiple comm info for one-time vendors with the BAPI call.  You are stuck with the interface unless you use an enhancement.  Since you don't have the fields available, you would first need to create an org address via function call (or pull an existing one from CAM) and then send only that address number into the function but the BAPI call will throw the 06-035 error because address numbers don't work with one time vendors in the BAPI call.  You can see the difference in processing in SAPLMEPO in the CHECK_VENDOR_ADDRESS form call.  You need to hit the generated address afterwards, not beforehand...try that, i.e., with a subsequent function call to the org address BAPI for the one-time address created.