Yes.

You can also use (Checkout in ('Y', 'N')

-Mike


>>Nadya,
>>
>>In the field validation rule text box of the designer, type 'gender$'M,F'
>>
>>That should work.
>
>Where is the Field Validation Rule text box????????????
>
>I put it in Constraints ([CheckOut] = 'Y' or [CheckOut] = 'N')
>
>Am I correct?