The Importance of Paternity Tests Before Paying Child Support

When it comes to child support, establishing paternity is one of the most important steps you can take to protect your rights and your financial future. In Arizona, the law gives you the right to confirm whether you are the biological father before a child support order is issued. Taking the time to get a paternity test early on can prevent a lot of stress and legal complications later. Here’s why it matters and how the process works.

Your Right to Confirm Paternity in Arizona

In Arizona, you have the legal right to ask for a paternity test before paying child support. It’s a step that ensures fairness for everyone involved, especially you and the child. If you voluntarily sign a birth certificate without confirming paternity, the law can treat you as the legal father even if you later find out you are not biologically related.

Establishing paternity also protects your parental rights. Once paternity is confirmed, you gain the right to seek parenting time and decision-making authority. Without it, your ability to build a relationship with the child may be limited. Confirming paternity is about more than child support—it’s about making sure your role as a father is legally recognized.

How Paternity Testing Works

The process for paternity testing is straightforward:

  • DNA samples are collected, usually through a simple cheek swab.
  • The samples are sent to a certified laboratory for testing.
  • The results are returned and can be submitted to the court as evidence.

In Arizona, the mother, alleged father, child, or a state agency can request a paternity test. Typically, testing is part of a paternity case filed in court, but it can also happen outside of court if both parties agree.

Timing matters. It’s best to request a test as early as possible, especially before signing any legal documents or court orders related to child support.

How Paternity Affects Child Support Obligations

Once paternity is confirmed, the court can issue a child support order based on Arizona’s child support guidelines. The amount depends on several factors, including:

  • Each parent’s income
  • The cost of health insurance
  • Childcare expenses
  • Parenting time arrangements

Without proven paternity, a judge usually won’t require you to pay support. That’s why confirming paternity first is so important. Otherwise, you could end up paying significant amounts over the years without having verified your legal obligation.

Protecting Yourself Against Paternity Fraud

Paternity fraud happens when a man is incorrectly identified as a child’s father—sometimes by mistake, sometimes intentionally. Without DNA testing, you might be legally bound to pay child support for a child who isn’t biologically yours.

DNA testing is the best way to protect yourself. Once a court establishes paternity, reversing it can be very difficult, especially if too much time has passed. In some cases, even proof that you are not the biological father may not be enough to undo child support obligations.

Testing early helps you:

  • Avoid being held responsible for someone else’s child
  • Protect your finances and future earnings
  • Ensure the child has the right support from the correct biological parent

It’s not just about the money—it’s about fairness and making sure the right people are accountable.

What Happens If You Dispute Paternity Late

Arizona law sets time limits for challenging paternity. For example, if you are presumed to be the father because you signed the birth certificate or lived with the child, you may have only a short window to request genetic testing.

If you wait too long, the court may refuse to allow testing, even if later DNA evidence suggests otherwise. Courts focus heavily on the child’s best interests, and maintaining stability is often a priority. That’s why it’s so important to address any doubts about paternity early in the process, before legal obligations become difficult—or impossible—to change.

Protect Your Rights and Your Future

If there’s any question about whether you are a child’s biological father, getting a paternity test before paying child support is one of the smartest moves you can make. It protects your rights, your finances, and your ability to be the father the child deserves—or to avoid obligations that aren’t legally yours.

At Cohen Family Law, we will help you through the entire process, from requesting a paternity test to addressing child support and parental rights. If you have questions or need help confirming paternity, contact us today to schedule a consultation.