Specifies that the form should not be validated prior to submission. Only valid for type="submit". Setting this property to True will suppress any validation that has been turned on in the parent <form> element, setting it to False will not turn on validation that has been turned off in the parent <form> element.
For standard shipped layouts the <form> validation is configured with the validationMethod property of the layout weblet.
True, False, or any valid XPath expression that returns a boolean value.