| Alabama | Ala. Code § 22-8A-1 et seq. | 2 | No | Natural Death Act |
| Alaska | AS 13.52.010 et seq. | 2 or notary | Alt. | Health Care Decisions Act |
| Arizona | A.R.S. § 36-3261 (living will); § 36-3221 (health care POA) | 1 or notary | Alt. | Living Will statute (Health Care Directives) |
| Arkansas | Ark. Code § 20-17-201 et seq. | 2 or notary | Alt. | Arkansas Rights of the Terminally Ill or |
| California | Cal. Prob. Code § 4600 et seq. | 2 or notary | Alt. | Health Care Decisions Law |
| Colorado | C.R.S. § 15-18-101 et seq. | 2 or notary | Alt. | Colorado Medical Treatment Decision Act |
| Connecticut | Conn. Gen. Stat. § 19a-570 et seq. (Ch. 368w); form at § 19a-575a | 2 | No | Health care instructions (living will) |
| Delaware | 16 Del. C. § 2501 et seq. | 1 | No | Uniform Health-Care Decisions Act (2023) |
| Florida | Fla. Stat. ch. 765; living will §§ 765.301-765.309 | 2 | No | Health Care Advance Directives |
| Georgia | O.C.G.A. § 31-32-1 et seq. | 2 | No | Georgia Advance Directive for Health Care Act |
| Hawaii | HRS § 327E-1 et seq. | 2 or notary | Alt. | Uniform Health-Care Decisions Act (Modified) |
| Idaho | Idaho Code § 39-4501 et seq. (Title 39, Ch. 45) | None req. | No | The Medical Consent and Natural Death Act |
| Illinois | 755 ILCS 35/1 et seq. | 2 | No | Illinois Living Will Act |
| Indiana | Ind. Code Art. 16-36, ch. 7; § 16-36-7-2 | 2 | Alt. | Health Care Advance Directives law |
| Iowa | Iowa Code ch. 144A; § 144A.1 | 2 or notary | Alt. | Iowa Life-Sustaining Procedures Act |
| Kansas | K.S.A. 65-28,101 to 65-28,109; declaration/form at 65-28,103 | 2 or notary | Alt. | Kansas Natural Death Act |
| Kentucky | KRS 311.621 to 311.643; definitions at 311.621 | 2 or notary | Alt. | Kentucky Living Will Directive Act |
| Louisiana | La. R.S. 40:1151.1 to 40:1151.10; definition at 40:1151.1 | 2 | No | Louisiana declaration concerning |
| Maine | 18-C M.R.S. §§ 5-801 to 5-819; § 5-803 | 2 | No | Maine Uniform Health Care Decisions Act |
| Maryland | Md. Health-General §§ 5-601 to 5-618; § 5-602 | 2 | No | Maryland Health Care Decisions Act |
| Massachusetts | No statute | n/a | n/a | Use health care proxy (c. 201D) |
| Michigan | No statute | n/a | n/a | Use patient-advocate designation |
| Minnesota | Minn. Stat. ch. 145C; § 145C.03 | 2 or notary | Alt. | Minnesota Health Care Directive |
| Mississippi | Miss. Code §§ 41-41-201 to 41-41-229; § 41-41-205 | 2 or notary | Alt. | Mississippi Uniform Health-Care Decisions Act |
| Missouri | Mo. Rev. Stat. §§ 459.010 to 459.055; § 459.010 | 2 | No | Missouri life support declaration |
| Montana | Mont. Code §§ 50-9-101 to 50-9-111; § 50-9-101 | 2 | No | Montana Rights of the Terminally Ill Act |
| Nebraska | Neb. Rev. Stat. §§ 20-401 to 20-416 (declaration at § 20-404) | 2 or notary | Alt. | Rights of the Terminally Ill Act |
| Nevada | NRS 449A.400-449A.481 (declaration at NRS 449A.433) | 2 | No | Declaration governing the |
| New Hampshire | RSA 137-J:1 et seq. (form at RSA 137-J:20) | 2 or notary | Alt. | Written Directives for Medical Decision Making |
| New Jersey | N.J.S.A. 26:2H-53 et seq. (execution at 26:2H-56) | 2 | Alt. | New Jersey Advance Directives for Health Care |
| New Mexico | N.M. Stat. § 24-7A-1 et seq. | None req. | No | Uniform Health-Care Decisions Act |
| New York | No statute | n/a | n/a | Use health care proxy (PHL § 2981) |
| North Carolina | N.C. Gen. Stat. § 90-320 et seq. | 2 | Yes | Right to Natural Death; witnesses & notary |
| North Dakota | N.D.C.C. ch. 23-06.5 (execution at § 23-06.5-05) | 2 or notary | Alt. | Health Care Directives |
| Ohio | Ohio Rev. Code § 2133.01 et seq. | 2 | Alt. | Modified Uniform Rights of the Terminally Ill |
| Oklahoma | 63 O.S. § 3101.1 et seq. | 2 | No | Oklahoma Advance Directive Act |
| Oregon | ORS 127.505-127.660 (execution at ORS 127.515) | 2 or notary | Alt. | Advance Directive for Health Care |
| Pennsylvania | 20 Pa.C.S. ch. 54 (living will execution at § 5442) | 2 | No | Advance Health Care Directives |
| Rhode Island | R.I. Gen. Laws § 23-4.11-1 et seq. (execution/form at § 23-4.11-3) | 2 | No | Rights of the Terminally Ill Act |
| South Carolina | S.C. Code Ann. § 44-77-10 et seq. | 2 | Yes | South Carolina Death With Dignity Act |
| South Dakota | SDCL ch. 34-12D | 2 or notary | Alt. | South Dakota Living Wills statute |
| Tennessee | T.C.A. § 32-11-101 et seq. (living will); T.C.A. § 68-11-1801 et seq. (advance directive) | 2 or notary | Alt. | Right to Natural Death Act (living will) |
| Texas | Tex. Health & Safety Code ch. 166, § 166.032 | 2 or notary | Alt. | Texas Advance Directives Act |
| Utah | Utah Code § 75-2a-101 et seq. | 1 | No | Utah Advance Health Care Directive Act |
| Vermont | 18 V.S.A. ch. 231 | 2 | No | Vermont Advance Directives for Health Care |
| Virginia | Va. Code § 54.1-2981 et seq. | 2 | No | Virginia Health Care Decisions Act |
| Washington | RCW ch. 70.122 | 2 | Alt. | Washington Natural Death Act |
| West Virginia | W. Va. Code § 16-30-1 et seq. | 2 | Yes | West Virginia Health Care Decisions Act |
| Wisconsin | Wis. Stat. ch. 154 | 2 | No | Wisconsin 'Declaration to Health Care |
| Wyoming | Wyo. Stat. § 35-22-401 et seq. | 2 or notary | Alt. | Wyoming Health Care Decisions Act |
| Washington D.C. | D.C. Code § 7-621 et seq. (living will); D.C. Code § 21-2201 et seq. (durable POA for health care) | 2 | No | Natural Death Act (declaration) |