>>>

IF UPPER(TYPE('oe_custcv'))="O" .AND. NOT ISNULL(Oe_custcv)

>>>
>>>Does TYPE sometimes return in lower case?
>>
>>I've never known it to. I just copied Tracy's code and made the modification. I've also seen

IF TYPE('oe_custcv') == "O"

and since (at least currently) it only returns a single character, I thought that was unnecessary as well.
>
>I do it [mindlessy] with double equals - the help documentation is the real villian!:-)

< g >Actually, I think that the expression might be able to be simplified by

IF VARTYPE(oe_custcv) # "X"

< s >