Where you have form, it should be forms:
=IIf([Forms].[ProspectForm].[IUSA] Is Null,"RefUSA record not
> connected","RefUSA Data")
If that doesn't cure it, try this version:
=IIf(Me.Parent.[IUSA] Is Null,"RefUSA record not
> connected","RefUSA Data")

Signature
Dave Hargis, Microsoft Access MVP
> I have a text box on a subform, that I am using an IIf statement in,
> so that if the field ([IUSA]) on the parent form Is Null, returns "No
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>
> magmike
magmike - 27 Nov 2007 20:51 GMT
> Where you have form, it should be forms:
> =IIf([Forms].[ProspectForm].[IUSA] Is Null,"RefUSA record not
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>
> - Show quoted text -
I see. Mistake was the missing letter. Thanks!