Cancelling duplicate sales order lines

I have been given the priveledge of taking hold of a small project that involves
writing a batch program to cancel duplicate sales order lines.  As I am new in
JBA, I am approaching this with extreme caution (and trepidation).  Here's what
little I know (and if I'm wrong about what I "know", please feel free to correct
my errors):

The order header & detail (OEP40 & OEP55) have corresponding STATxx fields.  It
is my understanding that the status must be blank (active) before I can change
it to an 'X' to cancel them.  Is this correct?

I have also been told at a high level to "check for any picks" (in INP57), to
ensure that "the order is not yet invoiced" (in OEP65 & OEP70; how do you tie
back to order?), and to "verify" that the allocations in the Stock Balance file
(INP60) are correct.

Can somebody elaborate on this?  I would be most appreciative!

(Of course, if there were any worthwhile documentation ...   wait, wait, I put
my soapbox away!)

- Dan Bale





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