Is there some environment setting that could keep it from working?

>>Doesn't work, I tried and get a syntax error. Remember, using 6.0sp5, I hope that's not the issue.
>>
>>
>>>Try:

Inlist (fieldname, &lcValues)

HTH
>>>
>>>>Does anyone know why a variable cannot be used with Inlist(fieldname,lcValues)? Where lcValues = '"DEP 17052","DEP 0944","05232"'.
>
>Chuck,
>
>I don't have Version 6 available but I just tried it in 5 and 9 and they both work.
>
>I notice in the example above that there is a space beteen INLIST and (. That would probably throw a syntax error.
>
>HTH,