It is sufficient to have a simple "yes" or "no" in your database. A sample VEVRAA self-ID form can be found at: https://www.dol.gov/agencies/ofccp/vevraa/self-id-form.
You can use this OFCCP audit checklist to ensure you're doing what is required to maintain OFCCP's regulations including VEVRAA, Section 503, and EO 11246. Or request a demo to streamline your compliance and recruiting efforts.