Federal sources
IRS 2026 brackets & deductionshttps://www.irs.gov/irb/2025-45_IRB
IRS Publication 15 — FICAhttps://www.irs.gov/publications/p15
State sources
| Code | State | Confidence | Audit result | Reviewed | Source |
|---|---|---|---|---|---|
| AL | Alabama | Modeled with known limitations | PASS_WITH_LIMITATIONS | 2026-09-16 | Official source |
| AK | Alaska | Verified | PASS | 2026-09-16 | Official source |
| AZ | Arizona | Verified | FAIL_CORRECTED | 2026-09-16 | Official source |
| AR | Arkansas | Projected / not independently finalized | PROJECTED | 2026-09-16 | Official source |
| CA | California | Verified | PASS | 2026-09-16 | Official source |
| CO | Colorado | Modeled with known limitations | PASS_WITH_LIMITATIONS | 2026-09-16 | Official source |
| CT | Connecticut | Modeled with known limitations | PASS_WITH_LIMITATIONS | 2026-09-16 | Official source |
| DE | Delaware | Modeled with known limitations | PASS_WITH_LIMITATIONS | 2026-09-16 | Official source |
| FL | Florida | Verified | PASS | 2026-09-16 | Official source |
| GA | Georgia | Modeled with known limitations | PASS_WITH_LIMITATIONS | 2026-09-16 | Official source |
| HI | Hawaii | Modeled with known limitations | FAIL_CORRECTED | 2026-09-16 | Official source |
| ID | Idaho | Modeled with known limitations | FAIL_REQUIRES_TABLE | 2026-09-16 | Official source |
| IL | Illinois | Modeled with known limitations | PASS_WITH_LIMITATIONS | 2026-09-16 | Official source |
| IN | Indiana | Modeled with known limitations | PASS_WITH_LIMITATIONS | 2026-09-16 | Official source |
| IA | Iowa | Modeled with known limitations | FAIL_REQUIRES_TABLE | 2026-09-16 | Official source |
| KS | Kansas | Modeled with known limitations | FAIL_CORRECTED | 2026-09-16 | Official source |
| KY | Kentucky | Verified | PASS | 2026-09-16 | Official source |
| LA | Louisiana | Modeled with known limitations | PASS_WITH_LIMITATIONS | 2026-09-16 | Official source |
| ME | Maine | Modeled with known limitations | PASS_WITH_LIMITATIONS | 2026-09-16 | Official source |
| MD | Maryland | Modeled with known limitations | FAIL_CORRECTED | 2026-09-16 | Official source |
| MA | Massachusetts | Modeled with known limitations | PASS_WITH_LIMITATIONS | 2026-09-16 | Official source |
| MI | Michigan | Modeled with known limitations | FAIL_CORRECTED | 2026-09-16 | Official source |
| MN | Minnesota | Modeled with known limitations | PASS_WITH_LIMITATIONS | 2026-09-16 | Official source |
| MS | Mississippi | Projected / not independently finalized | PROJECTED | 2026-09-16 | Official source |
| MO | Missouri | Projected / not independently finalized | FAIL_STALE | 2026-09-16 | Official source |
| MT | Montana | Modeled with known limitations | PASS_WITH_LIMITATIONS | 2026-09-16 | Official source |
| NE | Nebraska | Modeled with known limitations | PASS_WITH_LIMITATIONS | 2026-09-16 | Official source |
| NV | Nevada | Verified | PASS | 2026-09-16 | Official source |
| NH | New Hampshire | Verified | PASS | 2026-09-16 | Official source |
| NJ | New Jersey | Modeled with known limitations | FAIL_CORRECTED | 2026-09-16 | Official source |
| NM | New Mexico | Projected / not independently finalized | PROJECTED | 2026-09-16 | Official source |
| NY | New York | Verified | PASS | 2026-09-16 | Official source |
| NC | North Carolina | Modeled with known limitations | FAIL_CORRECTED | 2026-09-16 | Official source |
| ND | North Dakota | Projected / not independently finalized | FAIL_STALE | 2026-09-16 | Official source |
| OH | Ohio | Verified | PASS | 2026-09-16 | Official source |
| OK | Oklahoma | Modeled with known limitations | PASS_WITH_LIMITATIONS | 2026-09-16 | Official source |
| OR | Oregon | Modeled with known limitations | FAIL_REQUIRES_TABLE | 2026-09-16 | Official source |
| PA | Pennsylvania | Verified | PASS | 2026-09-16 | Official source |
| RI | Rhode Island | Modeled with known limitations | PASS_WITH_LIMITATIONS | 2026-09-16 | Official source |
| SC | South Carolina | Modeled with known limitations | PASS_WITH_LIMITATIONS | 2026-09-16 | Official source |
| SD | South Dakota | Verified | PASS | 2026-09-16 | Official source |
| TN | Tennessee | Verified | PASS | 2026-09-16 | Official source |
| TX | Texas | Verified | PASS | 2026-09-16 | Official source |
| UT | Utah | Modeled with known limitations | PASS_WITH_LIMITATIONS | 2026-09-16 | Official source |
| VT | Vermont | Modeled with known limitations | FAIL_REQUIRES_TABLE | 2026-09-16 | Official source |
| VA | Virginia | Modeled with known limitations | PASS_WITH_LIMITATIONS | 2026-09-16 | Official source |
| WA | Washington | Modeled with known limitations | FAIL_CORRECTED | 2026-09-16 | Official source |
| WV | West Virginia | Modeled with known limitations | PASS_WITH_LIMITATIONS | 2026-09-16 | Official source |
| WI | Wisconsin | Modeled with known limitations | FAIL_CORRECTED | 2026-09-16 | Official source |
| WY | Wyoming | Verified | PASS | 2026-09-16 | Official source |
| DC | District of Columbia | Projected / not independently finalized | PROJECTED | 2026-09-16 | Official source |