(Or, perhaps it should be amended the other way round ..)

The above means perhaps change the 2 ranges within the MATCH part to:
Delivery Notes!$C$1:$C$500
Delivery Notes!$E$1:$E$500
(to be consistent with .. INDEX(Delivery Notes!$F$1:$F$500,..)

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Max
Singapore
http://savefile.com/projects/236895
xdemechanik
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