Try this:

=IF(A6="","",IF(VLOOKUP(A6,CSM,8)="X","X",IF(VLOOK UP(A6,NPM,8)="X","X",IF(VLOOKUP(A6,PM,8)="X","X","
"))))

when A6 is blank, your target cell will return a blank, when A6 is not
blank, the remainder of your formula is processed.

Note: I notice you have the formula return a space (" ") if none of
the ranges contain "X". If you want simply to return a blank cell, use
"" (without the space between the quote marks).

HTH

Bruce


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swatsp0p


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