InfoPath Dev

I was originally going to say that drgkreddy's first solution had worked, but what actually happened was that when I put in the conditional formatting, it removed the ''cannot be blank'' requirement. However, the combination of the two data validations suggestions is working perfectly. Thank you so much - this will really open up several ...

Is it possible to create a field that would only be required when a certain selection is made from a drop down box? For example, the field ''jobtitle'' has 3 options: attorney, paralegal, or support staff. If attorney is chosen, then a field called BarRegistration would be required, but if paralegal or support staff is chosen, that information ...