ORC Job Application Flow - How to make First Name required

Summary

ORC Job Application Flow - How to make First Name required

Content

On the HCM Office Hours for Responsive UI today where the focus was on demoing ORC, in the job application flow for Contact Information, the First Name field showed as required.  Does anyone know how to make that happen?  The Person Name Styles (for United States) does have First Name and Last Name required, but when a candidate goes in to apply for a job opening, the First Name field is not required.  I posed the question in the session and got the response that there are some configuration options when you build the CSP to mark fields as Mandatory/Required,