New Jersey IFSA — Declaration in Support of Establishing Parentage is a legal document used to establish paternity in cases where the father is not married to the mother. It is used to determine the legal rights and responsibilities of the father in terms of child support, visitation, and custody. This document must be signed and filed with the court in order to legally recognize a parent-child relationship. There are two types of New Jersey IFSA — Declaration in Support of Establishing Parentage documents: those for unmarried parents and those for married parents who are in the process of obtaining a divorce. In either case, the document includes the signatures of both the mother and father, as well as information about the child, such as their name, date of birth, and Social Security number. The document can also include other information, such as the address of the mother and father, the names of any witnesses, and the name of the court that will be handling the case.