| Abbr | State websites | ZIP code | Community prop | Tax treaty | State tax | 2020 deadline |
| AL | Alabama | 350nn-352nn, 354nn-369nn | No | No | Yes | July 15 |
| AK | Alaska | 995nn-999nn | Electable | Yes | No | |
| AZ | Arizona | 850nn-853nn, 855nn-857nn, 859nn-860nn, 863nn-865nn | Yes | Yes | Yes | July 15 |
| AR | Arkansas | 716nn-729nn | No | No | Yes | July 15 |
| CA | California | 900nn-908nn, 910nn-928nn, 930nn-961nn | Yes | No | Yes | July 15 |
| CO | Colorado | 800nn-816nn | No | Yes | Yes | July 15 |
| CT | Connecticut | 060nn-06389, 06391-069nn | No | No | Yes | July 15 |
| DE | Delaware | 197nn-199nn | No | Yes | Yes | July 15 |
| DC | District of Columbia | 200nn, 202nn-20587, 569nn, 20589-20597, 20599 | No | Yes | Yes | July 15 |
| FL | Florida | 320nn-339nn, 341nn, 342nn, 344nn, 346nn, 347nn, 349nn | No | Yes | No | |
| GA | Georgia | 300nn-319nn, 398nn-399nn | No | Yes | Yes | July 15 |
| HI | Hawaii | 96701-96798, 968nn | No | No | Yes | July 20 |
| ID | Idaho | 832nn-83413, 83415-838nn | Yes | Yes | Yes | June 15 |
| IL | Illinois | 600nn-620nn, 622nn-629nn | No | Yes | Yes | July 15 |
| IN | Indiana | 460nn-479nn | No | Yes | Yes | July 15 |
| IA | Iowa | 500nn-516nn, 520nn-528nn | No | Yes | Yes | July 31 |
| KS | Kansas | 660nn-662nn, 664nn-679nn | No | No | Yes | July 15 |
| KY | Kentucky | 400nn-418nn, 420nn-427nn | No | No | Yes | July 15 |
| LA | Louisiana | 700nn-701nn, 703nn-708nn, 710nn-714nn | Yes | Yes | Yes | July 15 |
| ME | Maine | 039nn-049nn | No | Yes | Yes | July 15 |
| MD | Maryland | 20588, 206nn-212nn, 214nn-219nn | No | No | Yes | July 15 |
| MA | Massachusetts | 010nn-027nn, 055nn | No | Yes | Yes | July 15 |
| MI | Michigan | 480nn-499nn | No | Yes | Yes | July 15 |
| MN | Minnesota | 550nn-551nn, 553nn-567nn | No | Yes | Yes | July 15 |
| MS | Mississippi | 386nn-397nn | No | No | Yes | May 15 |
| MO | Missouri(confirmed) | 630nn-631nn, 633nn-641nn, 644nn-658nn | No | Yes | Yes | July 15 |
| MT | Montana | 590nn-599nn | No | No | Yes | July 15 |
| NE | Nebraska | 680nn-681nn, 683nn-693nn | No | Yes | Yes | July 15 |
| NV | Nevada | 889nn-891nn, 893nn-895nn, 897nn-898nn | Yes | Yes | No | |
| NH | New Hampshire | 030nn-038nn | No | Yes | Dividends only | |
| NJ | New Jersey | 070nn-089nn | No | No | Yes | July 15 |
| NM | New Mexico | 870nn-871nn, 873nn-884nn | Yes | Yes | Yes | July 15 |
| NY | New York | 005nn, 06390, 100nn-149nn | No | Yes | Yes | July 15 |
| NC | North Carolina | 270nn-289nn | No | Yes | Yes | July 15 |
| ND | North Dakota | 580nn-588nn | No | No | Yes | July 15 |
| OH | Ohio | 430nn-459nn | No | Yes | Yes | July 15 |
| OK | Oklahoma | 730nn-731nn, 734nn-73959, 73961-741nn, 743nn-749nn | No | Yes | Yes | July 15 |
| OR | Oregon | 970nn-979nn | No | Yes | Yes | July 15 |
| PA | Pennsylvania | 150nn-196nn | No | No | Yes | July 15 |
| RI | Rhode Island | 028nn, 029nn | No | Yes | Yes | July 15 |
| SC | South Carolina | 290nn-299nn | No | Yes | Yes | July 15 |
| SD | South Dakota | 570nn-577nn | No | Yes | No | |
| TN | Tennessee | 370nn-385nn | No | Yes | Dividends only | |
| TX | Texas | 733nn, 73960, 750nn-770nn, 772nn-799nn, 885nn | Yes | Yes | No | |
| UT | Utah | 840nn-847nn | No | Yes | Yes | July 15 |
| VT | Vermont | 050nn-054nn, 056nn-059nn | No | Yes | Yes | July 15 |
| VA | Virginia | 201nn, 20598, 220nn-246nn | No | Yes | Yes | May 01 |
| WA | Washington | 980nn-986nn, 988nn-994nn | Yes | Yes | No | |
| WV | West Virginia | 247nn-268nn | No | Yes | Yes | July 15 |
| WI | Wisconsin | 530nn-532nn, 534nn-535nn, 537nn-549nn | Yes | Yes | Yes | July 15 |
| WY | Wyoming | 820nn-831nn, 83414 | No | Yes | No | |
| U.S. Possessions | | | | | |
| AS | American Somoa | 96799 | | | | |
| FM | Federated States of Micronesia | 96941-96944 | | | | |
| GU | Guam | 96910-96932 | | | | |
| MH | Marshall Islands | 96960-96970 | | | | |
| MP | Commonwealth of the Northern Mariana Islands | 96950-96952 | | | | |
| PW | Palau | 96939-96940 | | | | |
| PR | Puerto Rico | 006nn-007nn, 009nn | | | | |
| VI | U.S. Virgin Islands | 008nn | | | | |