InfoPath Dev

I tried this solution: http://www.infopathdev.com/forums/p/26099/90700.aspx but doesn't work. I have two radio buttons (Yes (0) and No(1)) and if the client chooses Yes to appear another radio button with 2 choices if the client chooses the first appears a text box to fill. And now the client decide to choose the first option NO... If I try to Save the form I receive an error: "The form cannot be submitted because it contains validation errors. Errors are marked with either a red asterisk (required fields) or a red, dashed border (invalid values).\n\nField or group: my:externalCompanyName\r\nError: This field is required\r\n"" I thought when I choose No after choosing Yes the fields were clean. Please see the image with the example.

 Any chance I could see a copy of your form so I could take a look at the rules? You can attach a template under the Options tab in a reply. I'm guessing that you need to have custom validation on your second set of radio buttons so that they are only "cannot be blank" if the first set is equal to Yes (0).