How Do I Establish Paternity in Florida?
In Florida, paternity is established one of four ways: the parents marry, both parents sign a Voluntary Acknowledgment of Paternity, the Department of Revenue issues an administrative order after DNA testing, or a judge enters a paternity judgment under Chapter 742. Legal fatherhood by itself does not create a time-sharing schedule — that takes a court case.
The Four Ways to Become a Legal Father in Florida
Chapter 742 of the Florida Statutes governs the determination of parentage for children born to unmarried parents. Being the biological father is not the same thing as being the legal father, and only the legal father has enforceable rights. There are four routes:
1. Marriage. If the parents are married when the child is born, the husband is presumed to be the legal father and no separate action is needed. If the parents marry after the birth, paternity can be legitimated and the birth record amended.
2. Voluntary Acknowledgment of Paternity. Both parents sign Florida Department of Health Form DH-511, either at the hospital right after the birth or later through the Bureau of Vital Statistics. It is the fastest and least expensive route and costs nothing at the hospital.
3. An administrative order from the Department of Revenue. The Florida Child Support Program can establish paternity without going to court, including arranging genetic testing.
4. A court order. Either parent — or the child — can file a petition to determine paternity under section 742.011. This is the only route that also produces a parenting plan and a time-sharing schedule in the same case.
The 60-Day Rule on a Signed Acknowledgment
The Acknowledgment of Paternity is not casual paperwork. Under section 742.10(4), either signer may rescind it within 60 days of signing — or by the date of the first administrative or judicial proceeding relating to the child in which that signer is a party, whichever comes first.
After those 60 days pass, the acknowledgment becomes an established determination of paternity. From that point it can be challenged in court only on the narrow grounds of fraud, duress, or material mistake of fact, and the burden of proof is on whoever is challenging it. Child support obligations arising from the acknowledgment are not suspended while a challenge is pending unless the court finds good cause. If there is any real doubt about biology, get the DNA test before signing — not after.
The Department of Revenue Route
If you are not sure and want testing handled for you, the Florida Department of Revenue’s Child Support Program can open an administrative paternity case. The Department arranges genetic testing — a cheek swab from the mother, the child, and the alleged father — and there is often no cost to the parents, particularly where the family has received public assistance. Results usually come back within a few weeks.
If the testing shows a statistical probability of paternity of 99% or higher, the Department can issue a proposed order and then an Administrative Order of Paternity, and notify Vital Statistics to add the father’s name to the birth certificate. That order is legally enforceable even though no judge signed it. What it does not do is give you a parenting plan or a time-sharing schedule — the administrative process is built around support, not custody.
What Establishing Paternity Actually Gets You
Since July 1, 2023, Florida law has treated unwed fathers very differently than it used to. Under the amendment to section 744.301 made by CS/CS/HB 775 (chapter 2023-209), an unwed mother and a father who has established paternity are both natural guardians of the child. Before that change, the mother was the sole natural guardian and was entitled to primary residential care and custody unless a court ordered otherwise.
That is a meaningful upgrade, but it is not a schedule. To get a written parenting plan with specific overnights, holidays, and decision-making authority, you still need a court action. Once that case is filed, the same 2023 time-sharing reform that applies to divorcing parents applies to you: section 61.13 now carries a rebuttable presumption that equal time-sharing is in the child’s best interest, and a parent who disagrees must rebut it by a preponderance of the evidence.
Establishing paternity also cuts both ways. It creates the right to seek time-sharing and parental responsibility, the child’s right to inherit and to claim benefits such as Social Security and health insurance, and access to the father’s medical history — and it creates an enforceable child support obligation, which the court can order retroactively.
Undoing a Paternity Determination Is Hard
Florida does allow disestablishment of paternity under section 742.18, but the standard is demanding. The petition must be supported by an affidavit of newly discovered evidence that came to light after the original determination, plus scientific testing showing the petitioner is not the biological father. The court also has to find that the child was conceived naturally rather than by artificial insemination during a marriage, that the petitioner did not act to keep the biological father from asserting his rights, and that the child was under 18 when the petition was filed. Men who signed an acknowledgment years earlier, kept paying support, and then had doubts frequently find the door closed. Again: test first, sign second.
Paternity Cases in Miami-Dade County
Paternity petitions in Miami-Dade are filed with the Clerk of Courts and heard in the family division of the Eleventh Judicial Circuit. The clerk’s filing fee for a paternity petition is $409, and if you cannot afford it you can ask the clerk for Form 68, the Application for Determination of Civil Indigent Status, before or at the time of filing. The circuit’s Family Court Self-Help Program can assist with forms for a separate service fee, though it cannot give legal advice — and in paternity cases the decisions that matter most, such as whether to sign an acknowledgment, whether to ask for testing, and what schedule to propose, are exactly the ones self-help staff are not permitted to advise on.
Arturo R. Alfonso P.A. has represented Miami-Dade parents in English and Spanish for over 35 years, from Hialeah and Miami Lakes to Brickell, Kendall, and Cutler Bay. We help fathers establish paternity and ask for real time-sharing, and we help mothers establish paternity to secure support and a stable schedule. If you have been searching for a paternity lawyer near me in Miami, schedule a consultation and we will map out which of the four routes fits your situation and what it will take.
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