State Adoption of the ABA Model Rules of Professional Conduct
(previously the Model Code of Professional Responsibility)
Dates of initial adoption
Alphabetical Order
| Jurisdiction | Date of Adoption |
| Alabama | 5/2/90 |
| Alaska | 4/14/93 |
| Arizona | 9/7/84 |
| Arkansas | 12/16/85 |
| Colorado | 5/7/92 |
| Connecticut | 6/23/86 |
| Delaware | 9/12/85 |
| District of Columbia | 3/1/90 |
| Florida | 7/17/86 |
| Georgia | 6/12/00 |
| Hawaii | 12/6/93 |
| Idaho | 9/3/86 |
| Illinois | 2/8/90 |
| Indiana | 11/25/86 |
| Iowa | 4/20/05 |
| Kansas | 1/29/88 |
| Kentucky | 6/12/89 |
| Louisiana | 12/18/86 |
| Maine | 2/26/09 |
| Maryland | 4/15/86 |
| Massachusetts | 6/9/97 |
| Michigan | 3/11/88 |
| Minnesota | 6/13/85 |
| Mississippi | 2/18/87 |
| Missouri | 8/7/85 |
| Montana | 6/6/85 |
| Nebraska | 6/8/05 |
| Nevada | 1/26/86 |
| New Hampshire | 1/16/86 |
| New Jersey | 7/12/84 |
| New Mexico | 6/26/86 |
| New York | 12/16/08 |
| North Carolina | 10/7/85 |
| North Dakota | 5/6/87 |
| Ohio | 8/1/06 |
| Oklahoma | 3/10/88 |
| Oregon | 1/1/05 |
| Pennsylvania | 10/16/87 |
| Rhode Island | 11/1/88 |
| South Carolina | 1/9/90 |
| South Dakota | 12/15/87 |
| Tennessee | 8/27/02 |
| Texas | 6/20/89 |
| Utah | 3/20/87 |
| Vermont | 3/9/99 |
| Virgin Islands | 1/28/91 |
| Virginia | 1/25/99 |
| Washington | 7/25/85 |
| West Virginia | 6/30/88 |
| Wisconsin | 6/10/87 |
| Wyoming | 11/7/86 |
