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What Happens When a Will Conflicts With a Joint Account or Beneficiary Form?
Daniel Bernard

What Happens When a Will Conflicts With a Joint Account or Beneficiary Form?

June 9, 2026
Many people in Hauppauge think their Last Will and Testament controls everything they own after they pass away, but that's not always true. We often meet families who are surprised to find out that some assets are not covered by a will. This can lead to confusion, disagreements among beneficiaries, and even legal disputes. A […]

Many people in Hauppauge think their Last Will and Testament controls everything they own after they pass away, but that's not always true. We often meet families who are surprised to find out that some assets are not covered by a will. This can lead to confusion, disagreements among beneficiaries, and even legal disputes. A common problem happens when a will says one thing, but a joint account or beneficiary form says something else. Knowing how New York law handles these situations is important because the result may not match what the deceased person wanted. Careful estate planning can help prevent these conflicts and make sure your assets go where you intend.

Why Certain Assets Pass Outside of a Will

A will only covers assets that are part of a person's probate estate. Probate is the legal process where a will is confirmed, and estate assets are distributed under the supervision of the Surrogate's Court.

However, many assets pass automatically to another person by operation of law. These non-probate assets often include:

  • Joint bank accounts with rights of survivorship.
  • Payable-on-death (POD) accounts
  • Transfer-on-death (TOD) accounts
  • Life insurance policies
  • Retirement accounts such as IRAs and 401(k)s
  • Certain trusts
  • Real estate held jointly with rights of survivorship

Since these assets transfer automatically when someone dies, they usually are not controlled by the terms of a will.

This difference often surprises families. For example, someone might state in their will that all property should be divided equally among their children, but a large bank account could go directly to just one child if that child is named on the account.

When a Beneficiary Designation Conflicts With a Will

In most cases, the beneficiary designation decides who gets the asset, even if the will says something else.

For example, if a life insurance policy names one child as the only beneficiary, but the parent later writes a will saying all assets should be divided equally among three children, the insurance money will usually still go to the child named on the policy if the beneficiary form is not updated.

New York courts treat beneficiary designations as contracts between the account holder and the bank or insurance company. Because of this, these designations usually take priority over anything written in a will.

This principle is reflected in various provisions of New York law governing non-probate transfers, including the Estates, Powers and Trusts Law (EPTL) and other statutes governing financial accounts and insurance contracts.

The lesson is straightforward: updating a will without updating beneficiary forms may create unintended consequences.

Joint Accounts and Rights of Survivorship Under New York Law

Joint accounts create another common source of conflict.

Under New York Banking Law § 675, a joint bank account that includes survivorship rights generally creates a presumption that the surviving account holder becomes the owner of the account upon the death of the other owner.

For example, a parent may add an adult child to a bank account to help pay bills. Years later, the parent signs a will leaving everything equally among three children. If the account remains jointly titled, the surviving child may become entitled to the entire account balance regardless of what the will says.

The will cannot simply override the survivorship designation.

This can lead to disputes when other family members believe the deceased person intended equal treatment for all beneficiaries.

Can a Joint Account Ever Be Challenged?

Yes. Although New York Banking Law § 675 creates a presumption that the surviving joint owner receives the account, that presumption may sometimes be challenged.

Family members may attempt to prove that the account was created merely for convenience, there was no intent to make a gift, fraud occurred, undue influence was involved, or the deceased lacked mental capacity when creating the account.

These cases can become highly fact-specific and often require extensive financial records, witness testimony, and other evidence.

The burden of proof is usually substantial. Courts generally begin with the assumption that a properly created joint account was intended to transfer to the surviving owner.

What Happens If the Conflict Involves a Florida Property?

Because many of our clients are snowbirds who divide their time between New York and Florida, we frequently see conflicts involving assets located in both states.

Florida law, like New York law, generally recognizes beneficiary designations and survivorship rights. Florida statutes governing joint ownership and beneficiary transfers often lead to similar results. A Florida bank account, Florida homestead property, or Florida investment account may pass directly to the designated beneficiary or surviving owner, regardless of conflicting language in a New York will.

This is one reason why coordinated planning between New York and Florida assets is so important. A person may believe a newly drafted will solves a problem when, in reality, beneficiary forms and account registrations remain unchanged.

Without proper coordination, assets may pass in ways that defeat the overall estate plan.

How Proper Estate Planning Prevents These Conflicts

Many conflicts arise because estate planning documents are updated while beneficiary forms are overlooked.

We regularly review wills, revocable trusts, retirement account designations, life insurance beneficiaries, bank accounts, brokerage accounts, real estate ownership, and business interests.

An estate plan works best when all components are aligned with the same objectives.

When beneficiary designations, account ownership, trusts, and wills work together, families are far less likely to experience disputes, delays, and unexpected outcomes after a loved one's death.

Proper planning also helps reduce the likelihood of estate litigation, which can consume significant time and financial resources.

Why Reviewing Your Estate Plan Regularly Matters

Life changes constantly. Marriages, divorces, births, deaths, relocations, retirements, and new financial accounts can all affect an estate plan.

We often find beneficiary forms that were completed decades earlier and never updated. In some cases, former spouses remain listed as beneficiaries. In others, one child remains unnamed while siblings are unintentionally excluded.

Periodic reviews help identify these issues before they become expensive legal disputes.

A well-designed estate plan should reflect your current wishes and ensure that all ownership structures and beneficiary designations support those wishes.

Joint Account or Beneficiary Conflict FAQs

Does My Will Override My Beneficiary Designations?

Generally, no. Beneficiary designations on life insurance policies, retirement accounts, payable-on-death accounts, and similar assets usually control the distribution of those assets. Even if your will contains different instructions, the designated beneficiary will often receive the asset directly.

Does My Will Override A Joint Bank Account?

Usually not. Under New York Banking Law § 675, a joint account with rights of survivorship typically passes automatically to the surviving account owner upon death. The account generally does not become part of the probate estate controlled by the will.

Can My Family Contest A Beneficiary Designation?

In some situations, yes. Challenges may arise if there is evidence of fraud, undue influence, forgery, or lack of mental capacity. These cases can be difficult and often require substantial evidence to overcome the validity of the designation.

What If I Added Someone To My Account Only To Help Pay Bills?

This issue arises frequently. If the account was intended merely as a convenience account rather than a gift, family members may challenge the survivorship claim. However, New York law creates a presumption in favor of survivorship, which can make these cases complex.

Do Retirement Accounts Pass Through Probate?

Most retirement accounts do not pass through probate when a valid beneficiary designation exists. Instead, the account transfers directly to the named beneficiary according to the terms of the account agreement.

What Happens If A Beneficiary Dies Before Me?

The answer depends on the type of asset and the specific beneficiary designation. Some accounts name contingent beneficiaries, while others may cause the asset to become part of the probate estate. A review of the account documents is often necessary.

Can A Trust Override A Beneficiary Designation?

Not automatically. Beneficiary designations generally control unless they specifically direct assets into a trust. Proper coordination between trusts and beneficiary designations is essential.

Does Florida Follow Similar Rules?

Yes. Florida generally recognizes beneficiary designations and survivorship rights in much the same way as New York. Assets located in Florida often pass according to account ownership and beneficiary forms rather than the provisions of a will.

How Often Should I Review My Estate Plan?

We typically recommend reviewing your estate plan after major life events and periodically, even if no significant changes occur. Beneficiary designations and account ownership should be reviewed along with your will and trust documents.

What Is The Best Way To Avoid These Conflicts?

The best approach is comprehensive estate planning. Wills, trusts, beneficiary designations, account ownership structures, and real estate ownership should all work together. Regular reviews help ensure your wishes are carried out and reduce the likelihood of future disputes.

Contact Bernard Law P.C. For Estate Planning Guidance

Conflicts between wills, joint accounts, and beneficiary designations can create significant problems for families. Many of these disputes are preventable through thoughtful planning and regular reviews of your estate plan. We help individuals, families, retirees, business owners, and snowbirds create estate plans that reflect their goals and help protect their loved ones from unnecessary complications.

If you have questions about wills, trusts, beneficiary designations, joint accounts, estate administration, estate tax planning, or snowbird estate planning, contact Bernard Law P.C. today. Our office is conveniently located in Hauppauge, New York, and we proudly serve clients throughout Suffolk County and surrounding areas. Call our Hauppauge estate planning attorney at Bernard Law P.C. at (631) 378-2500 to schedule a free consultation and discuss how we can help ensure your estate plan works the way you intend.

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Daniel Bernard
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