Assume this table below is in cols A to C:

SO#'s Line Number Product descript
314 8 widget fluffy
326 2 wood
326 1 sofa
....

You could use an array-entered* index/match,
something like this:
=index(C2:C10,match(1,(a2:a10=326)*(b2:b10=2),0))
to return the product descript from col C (ie wood),
given an SO# (eg: 326) & line number (eg: 2)

*ie formula is confirmed via pressing CTRL+SHIFT+ENTER
instead of just pressing ENTER
--
Max
Singapore
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