Estate Planning for Physically Disabled Clients: Signing Wills, POAs, and Health Care Proxies

July 15, 2025
Rockland Estate Planning

Estate planning ensures individuals can control their future—designating who will manage their affairs and how decisions are made when they can’t speak for themselves. But what happens when a person is physically disabled and cannot sign estate planning documents like a will, power of attorney, or health care proxy?

Fortunately, the laws in Florida, New York, and New Jersey provide clear mechanisms for proxy signing and assisted execution, ensuring disabled clients can still have fully valid and enforceable documents.

In this guide, we’ll explore how physically disabled clients can legally sign documents in each state—and how estate planning attorneys can protect these clients from future legal challenges.

Can a Disabled Person Sign a Will or Power of Attorney?

Yes—if they have mental capacity, physically disabled individuals can legally direct another person to sign on their behalf. This process is called proxy signing and is supported under estate planning laws in FL, NY, and NJ.

Florida Estate Planning Laws for Disabled Clients

Wills – Fla. Stat. § 732.502

  • Must be signed:

    • By the testator, or

    • By another person in the testator’s presence and at their direction

  • Must be witnessed by two people in the presence of each other and the testator

Power of Attorney – Fla. Stat. § 709.2105 and Fla. Stat § 117.05(14)

  • The Notary can sign the Principal’s name

  • Must be:

    • Notarized

    • Witnessed by two people

Health Care Surrogate – Fla. Stat. § 765.202

  • Can be signed by someone else at the principal’s direction

  • Requires:

    • Two adult witnesses

    • At least one non-family member

  • Notarization is optional but recommended

New York Estate Planning Laws for Physically Disabled Clients

Wills – EPTL § 3-2.1

  • May be signed by a proxy at the testator’s direction and in their presence

  • Requires:

    • Two witnesses

    • Proxy must sign the Testator’s name, and sign separately.

Power of Attorney – NY GOL § 5-1501B

  • May be signed by someone else at the direction of the principal

  • Requirements:

    • Notarized

    • Two disinterested witnesses

    • Proxy must sign with a statement clarifying they acted at the direction of the principal

Health Care Proxy – Public Health Law § 2981

  • Can be signed by proxy at the direction of the principal

  • Must be witnessed by two adults

  • Witnesses cannot be the designated agent

New Jersey Laws for Signing Estate Planning Documents

Wills – N.J.S.A. 3B:3-2

  • May be signed by a proxy in the conscious presence of the testator

  • Requires two witnesses

Power of Attorney – N.J.S.A. 46:2B-8.9, and N.J.S.A. 46:14-4:2

  • May be signed by someone else at the principal’s direction

  • Must be notarized

  • Strongly advised to have at least one witness

Advance Directive (Living Will) – N.J.S.A. 26:2H-56

  • Can be signed by proxy at the declarant’s direction

  • Must be:

    • Notarized, or

    • Signed before two adult witnesses

  • Named agent cannot serve as a witness

Best Practices for Estate Planning Attorneys

To protect your physically disabled clients and reduce risk of document challenges:

✅ Verify and Document Capacity

  • Use a capacity checklist or memo

  • Consider a third-party medical letter if the client is vulnerable

✅ Clarify The Situation

  • Signed “Sam Smith, by John Doe”

  • Include clarifying language, such as “This document was signed by John Doe at the direction of and in the conscious presence of Sam Smith”

✅ Witness Carefully

  • Avoid using family members or agents as witnesses

  • Use neutral third parties whenever possible

  • Ensure the Witness statement specifies that the proxy signed at the direction of the principal

✅ Record the Signing Process

  • With client consent, video record the signing session

  • Obtain witness affidavits detailing the process

✅ Anticipate Pushback from Institutions or Challenges from Heirs

  • Banks and hospitals may scrutinize proxy-signed documents

  • Notarization and detailed language can reduce this resistance

  • Prepare a defensive file.  See this article on how to prepare for a Will contest.

Every person deserves the right to direct their medical care, protect their finances, and pass on their legacy. Physical disability should never be a barrier to valid estate planning. By understanding the proxy signing rules in Florida, New York, and New Jersey, attorneys can ensure that physically disabled clients enjoy the same protections and peace of mind as anyone else.

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