How Can I Prove a Man is My Child's Father? IL Unmarried Parenting: Establishing Paternity THE CONTRACT THEY NEVER TOLD YOU ABOUT Most people think the Voluntary Acknowledgment of Paternity (VAP) is about fatherhood. In truth it's about legal custody, jurisdiction, and commercial liability. Here's What You Need to Know About Paternity Law and Parental Rights for Unmarried Parents Soren Law Group Staten Island, NY