| AL | Alabama | AL Form 8453 |
| AZ | Arizona | AZ Form 8879 |
| AR | Arkansas | AR Form 8453 |
| CA | California | CA Form 8453 |
| | CA Form 8879 |
| CO | Colorado | CO Form DR 8453 |
| | CO Form DR 1778 – E-file attachment |
| DE | Delaware | DE Form 8453 |
| GA | Georgia | GA Form 8453 |
| IL | Illinois | IL Form 8453 |
| IN | Indiana | IN Form IT-8879 |
| IA | Iowa | IA Form 8453 |
| KY | Kentucky | KY Form 8879-K (Form 8879-K is not required for federal/state e-filed returns with a federal PIN) |
| LA | Louisiana | LA Form 8453 unless using IRS PIN |
| MD | Maryland | MD Form EL101 |
| MA | Massachusetts | MA Form M-8453 |
| MI | Michigan | MI Form 8453 – Used if state-only submission |
| MS | Mississippi | MS Form 8453 |
| MO | Missouri | MO Form 8453 – Required only if PIN method is not used |
| NJ | New Jersey | NJ Form 8879 – Not required, prints if requested |
| NM | New Mexico | NM Form PIT 8453 |
| NY | New York | NY Form TR-579-IT (Return) |
| | NY Form TR-579.1 (Extension) |
| NYC | New York City UBT | NYC Form 579 (Return) |
| | NYC Form 579 EXT(Extension) |
| OK | Oklahoma | OK Form 511EF |
| OR | Oregon | OR Form OR-EF – if not using PINs, State-Only |
| PA | Pennsylvania | PA Form 8453 |
| | PA Form 8879 |
| SC | South Carolina | SC Form 8453 |
| VT | Vermont | VT Form 8879 |
| VA | Virginia | VA Form 8453 – if not using PINs |
| | VA Form 8879 – if using PINs |
| WV | West Virginia | WV Form 8453 – If State-Only submission |
| WI | Wisconsin | No signature form, WI Form W-RA for mail in attachments |