Sources, in the open.

Primary agency publications and statutes behind the annual records. The source on each number page identifies the relevant section and effective period.

ALFRED retained BLS release, September 11, 2025

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bls chain 2000 2009

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bls chain 2010 2019

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bls chain 2020 2026

Retrieved 2026-10-01. https://api.bls.gov/publicAPI/v2/timeseries/data/SUUR0000SA0?startyear=2020&endyear=2026

bls cpi 2000 2009

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bls cpi 2010 2019

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bls cpi 2020 2026

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BLS historical CPI-U monthly table, May 2018 edition

Retrieved 2026-10-02. https://www.bls.gov/cpi/tables/supplemental-files/historical-cpi-u-201805.pdf

Census 2020 place and county relationship codes

Retrieved 2026-10-02. https://www2.census.gov/geo/docs/reference/codes2020/national_place2020.txt

Census Vintage 2024 city population estimates and county parts

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DoD non-foreign per diem Bulletin 332: September 2026 observations

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dol cobra

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USDA FNS FY2027 COLA memorandum

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Economic Indicators: retained BLS CPI vintage for tax year 2024

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Economic Indicators: retained BLS CPI vintage for tax year 2025

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Economic Indicators: retained BLS CPI vintage for tax year 2026

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gsa rates 2021

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gsa rates 2022

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gsa rates 2023

Retrieved 2026-10-01. https://www.gsa.gov/system/files/FY2023_PerDiemMasterRatesFile.xlsx

gsa rates 2024

Retrieved 2026-10-01. https://www.gsa.gov/system/files/FY2024_PerDiemMasterRatesFile_correction.xlsx

gsa rates 2025

Retrieved 2026-10-01. https://www.gsa.gov/system/files/FY2025_PerDiemMasterRatesFile.xlsx

gsa rates 2026

Retrieved 2026-10-01. https://www.gsa.gov/system/files/FY2026_PerDiemMasterRatesFile.xlsx

gsa rates 2027

Retrieved 2026-10-01. https://www.gsa.gov/system/files/FY2027_PerDiemRates_Validated090126.xlsx

hhs 2020 ak 1

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2020/ak/1

hhs 2020 ak 2

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2020/ak/2

hhs 2020 hi 1

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2020/hi/1

hhs 2020 hi 2

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2020/hi/2

hhs 2020 us 1

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2020/us/1

hhs 2020 us 2

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2020/us/2

hhs 2021 ak 1

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2021/ak/1

hhs 2021 ak 2

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2021/ak/2

hhs 2021 hi 1

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2021/hi/1

hhs 2021 hi 2

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2021/hi/2

hhs 2021 us 1

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2021/us/1

hhs 2021 us 2

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2021/us/2

hhs 2022 ak 1

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2022/ak/1

hhs 2022 ak 2

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2022/ak/2

hhs 2022 hi 1

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2022/hi/1

hhs 2022 hi 2

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2022/hi/2

hhs 2022 us 1

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2022/us/1

hhs 2022 us 2

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2022/us/2

hhs 2023 ak 1

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2023/ak/1

hhs 2023 ak 2

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2023/ak/2

hhs 2023 hi 1

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2023/hi/1

hhs 2023 hi 2

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2023/hi/2

hhs 2023 us 1

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2023/us/1

hhs 2023 us 2

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2023/us/2

hhs 2024 ak 1

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2024/ak/1

hhs 2024 ak 2

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2024/ak/2

hhs 2024 hi 1

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2024/hi/1

hhs 2024 hi 2

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2024/hi/2

hhs 2024 us 1

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2024/us/1

hhs 2024 us 2

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2024/us/2

hhs 2025 ak 1

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2025/ak/1

hhs 2025 ak 2

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2025/ak/2

hhs 2025 hi 1

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2025/hi/1

hhs 2025 hi 2

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2025/hi/2

hhs 2025 us 1

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2025/us/1

hhs 2025 us 2

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2025/us/2

hhs 2026 ak 1

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2026/ak/1

hhs 2026 ak 2

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2026/ak/2

hhs 2026 hi 1

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2026/hi/1

hhs 2026 hi 2

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2026/hi/2

HHS 2026 poverty guidelines, Federal Register

Retrieved 2026-10-02. https://www.govinfo.gov/content/pkg/FR-2026-01-15/pdf/2026-00755.pdf

hhs 2026 us 1

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2026/us/1

hhs 2026 us 2

Retrieved 2026-10-01. https://aspe.hhs.gov/topics/poverty-economic-mobility/poverty-guidelines/api/2026/us/2

IRS 1099k

Retrieved 2026-10-01. https://www.irs.gov/businesses/understanding-your-form-1099-k

IRS 2021 care

Retrieved 2026-10-01. https://www.irs.gov/pub/irs-prior/p503--2021.pdf

IRS 2021 ctc

Retrieved 2026-10-01. https://www.irs.gov/pub/irs-prior/i1040s8--2021.pdf

IRS 2021 eitc

Retrieved 2026-10-01. https://www.irs.gov/pub/irs-prior/p596--2021.pdf

IRS Notice 2020-71

Retrieved 2026-10-02. https://www.irs.gov/pub/irs-drop/n-20-71.pdf

IRS 2021 hsa

Retrieved 2026-10-01. https://www.irs.gov/pub/irs-drop/rp-20-32.pdf

IRS 2021 inflation

Retrieved 2026-10-01. https://www.irs.gov/pub/irs-drop/rp-20-45.pdf

IRS 2021 retirement

Retrieved 2026-10-01. https://www.irs.gov/pub/irs-drop/n-20-79.pdf

IRS 2022 ctc

Retrieved 2026-10-01. https://www.irs.gov/pub/irs-prior/i1040s8--2022.pdf

IRS Notice 2021-52

Retrieved 2026-10-02. https://www.irs.gov/pub/irs-drop/n-21-52.pdf

IRS 2022 hsa

Retrieved 2026-10-01. https://www.irs.gov/pub/irs-drop/rp-21-25.pdf

IRS 2022 inflation

Retrieved 2026-10-01. https://www.irs.gov/pub/irs-drop/rp-21-45.pdf

IRS 2022 retirement

Retrieved 2026-10-01. https://www.irs.gov/pub/irs-drop/n-21-61.pdf

IRS 2023 ctc

Retrieved 2026-10-01. https://www.irs.gov/pub/irs-prior/i1040s8--2023.pdf

IRS Notice 2022-44

Retrieved 2026-10-02. https://www.irs.gov/pub/irs-drop/n-22-44.pdf

IRS 2023 hsa

Retrieved 2026-10-01. https://www.irs.gov/pub/irs-drop/rp-22-24.pdf

IRS 2023 inflation

Retrieved 2026-10-01. https://www.irs.gov/pub/irs-drop/rp-22-38.pdf

IRS 2023 retirement

Retrieved 2026-10-01. https://www.irs.gov/pub/irs-drop/n-22-55.pdf

IRS 2024 ctc

Retrieved 2026-10-01. https://www.irs.gov/pub/irs-prior/i1040s8--2024.pdf

IRS Notice 2023-68

Retrieved 2026-10-02. https://www.irs.gov/pub/irs-drop/n-23-68.pdf

IRS 2024 hsa

Retrieved 2026-10-01. https://www.irs.gov/pub/irs-drop/rp-23-23.pdf

IRS 2024 inflation

Retrieved 2026-10-01. https://www.irs.gov/pub/irs-drop/rp-23-34.pdf

IRS 2024 retirement

Retrieved 2026-10-01. https://www.irs.gov/pub/irs-drop/n-23-75.pdf

IRS 2025 ctc

Retrieved 2026-10-01. https://www.irs.gov/pub/irs-prior/i1040s8--2025.pdf

IRS Notice 2024-68

Retrieved 2026-10-02. https://www.irs.gov/pub/irs-drop/n-24-68.pdf

IRS 2025 hsa

Retrieved 2026-10-01. https://www.irs.gov/pub/irs-drop/rp-24-25.pdf

irs 2025 inflation

Retrieved 2026-10-01. https://www.irs.gov/pub/irs-drop/rp-24-40.pdf

IRS 2025 pub503

Retrieved 2026-10-01. https://www.irs.gov/pub/irs-pdf/p503.pdf

IRS 2025 retirement

Retrieved 2026-10-01. https://www.irs.gov/pub/irs-drop/n-24-80.pdf

irs 2026 highlow

Retrieved 2026-10-01. https://www.irs.gov/pub/irs-drop/n-25-54.pdf

IRS 2026 hsa

Retrieved 2026-10-01. https://www.irs.gov/pub/irs-drop/rp-25-19.pdf

IRS 2026 inflation

Retrieved 2026-10-01. https://www.irs.gov/pub/irs-drop/rp-25-32.pdf

IRS IR-2025-103 announcement

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IRS 2026 retirement

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IRS IR-2025-111 announcement

Retrieved 2026-10-02. https://content.govdelivery.com/accounts/USIRS/bulletins/3fb3d4b

irs 2027 highlow

Retrieved 2026-10-01. https://www.irs.gov/pub/irs-drop/n-26-60.pdf

IRS 2027 hsa

Retrieved 2026-10-01. https://www.irs.gov/pub/irs-drop/rp-26-24.pdf

irs mileage

Retrieved 2026-10-01. https://www.irs.gov/tax-professionals/standard-mileage-rates

IRS ptc 2021 2025

Retrieved 2026-10-01. https://www.irs.gov/pub/irs-pdf/p974.pdf

IRS ptc 2026

Retrieved 2026-10-01. https://www.irs.gov/pub/irs-drop/rp-25-25.pdf

irs ptc 2027 verified

Retrieved 2026-10-01. https://www.irs.gov/pub/irs-drop/rp-26-26.pdf

law obbb

Retrieved 2026-10-01. https://www.govinfo.gov/content/pkg/PLAW-119publ21/pdf/PLAW-119publ21.pdf

law title26 2024

Retrieved 2026-10-01. https://www.govinfo.gov/content/pkg/USCODE-2024-title26/pdf/USCODE-2024-title26.pdf

snap 2027 maximumAllotments deductions

Retrieved 2026-10-01. https://fns-prod.azureedge.us/sites/default/files/resource-files/snap-fy27maximumAllotments-deductions.pdf

snap archive FY2025 Income Eligibility Standards

Retrieved 2026-10-01. https://fns-prod.azureedge.us/sites/default/files/media/file/FY2025-Income-Eligibility-Standards.pdf

snap archive FY2025 Maximum Allotments Deductions

Retrieved 2026-10-01. https://fns-prod.azureedge.us/sites/default/files/media/file/FY2025-Maximum-Allotments-Deductions.pdf

snap archive FY21 COVID ARPA Maximum Allotments Deductions

Retrieved 2026-10-01. https://fns-prod.azureedge.us/sites/default/files/media/file/FY21-COVID%20ARPA-Maximum-Allotments-Deductions.pdf

snap archive FY21 COVID Maximum Allotments Deductions

Retrieved 2026-10-01. https://fns-prod.azureedge.us/sites/default/files/media/file/FY21-COVID-Maximum-Allotments-Deductions.pdf

snap archive FY21 Income Eligibility Standards

Retrieved 2026-10-01. https://fns-prod.azureedge.us/sites/default/files/media/file/FY21-Income-Eligibility-Standards.pdf

snap archive FY21 Maximum Allotments Deductions

Retrieved 2026-10-01. https://fns-prod.azureedge.us/sites/default/files/media/file/FY21-Maximum-Allotments-Deductions.pdf

snap archive FY22 Income Eligibility Standards reviewed

Retrieved 2026-10-01. https://fns-prod.azureedge.us/sites/default/files/media/file/FY22-Income-Eligibility-Standards%20reviewed.pdf

snap archive FY22 Maximum Allotments Deductions

Retrieved 2026-10-01. https://fns-prod.azureedge.us/sites/default/files/media/file/FY22-Maximum-Allotments-Deductions.pdf

snap archive FY23 Income Eligibility Standards

Retrieved 2026-10-01. https://fns-prod.azureedge.us/sites/default/files/resource-files/FY23-Income-Eligibility-Standards.pdf

snap archive FY23 Maximum Allotments Deductions

Retrieved 2026-10-01. https://fns-prod.azureedge.us/sites/default/files/resource-files/FY23-Maximum-Allotments-Deductions.pdf

snap archive FY24 Income Eligibility Standards

Retrieved 2026-10-01. https://fns-prod.azureedge.us/sites/default/files/media/file/FY24-Income-Eligibility-Standards.pdf

snap archive FY24 Maximum Allotments and Deductions

Retrieved 2026-10-01. https://fns-prod.azureedge.us/sites/default/files/media/file/FY24-Maximum-Allotments-and-Deductions.pdf

snap archive snap fy26 incomeEligibilityStandards

Retrieved 2026-10-01. https://fns-prod.azureedge.us/sites/default/files/resource-files/snap-fy26-incomeEligibilityStandards.pdf

snap archive snap fy26maximumAllotments deductions

Retrieved 2026-10-01. https://fns-prod.azureedge.us/sites/default/files/resource-files/snap-fy26maximumAllotments-deductions.pdf

SSA national average wage index, observed series through 2024

Retrieved 2026-10-02. https://www.ssa.gov/oact/cola/AWI.html

SSA POMS RS 02501.025

Retrieved 2026-10-02. https://secure.ssa.gov/poms.nsf/links/0302501025

ssa register 2026

Retrieved 2026-10-01. https://public-inspection.federalregister.gov/2025-19763.pdf

SSA 2026 Trustees Report: intermediate wage-index projections

Retrieved 2026-10-02. https://www.ssa.gov/OACT/TR/2026/V_C_prog.html

SSA contribution and benefit base history

Retrieved 2026-10-02. https://www.ssa.gov/oact/cola/cbb.html

Arizona Department of Revenue Form 140 tables

Retrieved 2026-10-02. https://azdor.gov/forms/individual/form-140-x-y-tables

Arizona 2021 revised Tax Tables X and Y

Retrieved 2026-10-02. https://azdor.gov/sites/default/files/2023-03/FORMS_INDIVIDUAL_2021_TablesXY.pdf

ADOR guidance after Proposition 208 injunction

Retrieved 2026-10-02. https://azdor.gov/individuals/small-business-income-and-surcharge-guidance

Arizona 2022 Form 140 booklet

Retrieved 2026-10-02. https://azdor.gov/sites/default/files/2023-03/FORMS_INDIVIDUAL_2022_140BOOKLET.pdf

California FTB 2021 rate schedules

Retrieved 2026-10-02. https://www.ftb.ca.gov/forms/2021/2021-540-tax-rate-schedules.pdf

California FTB 2022 rate schedules

Retrieved 2026-10-02. https://www.ftb.ca.gov/forms/2022/2022-540-tax-rate-schedules.pdf

California FTB 2023 rate schedules

Retrieved 2026-10-02. https://www.ftb.ca.gov/forms/2023/2023-540-tax-rate-schedules.pdf

California FTB 2024 rate schedules

Retrieved 2026-10-02. https://www.ftb.ca.gov/forms/2024/2024-540-tax-rate-schedules.pdf

California FTB 2025 rate schedules

Retrieved 2026-10-02. https://www.ftb.ca.gov/forms/2025/2025-540-tax-rate-schedules.pdf

Florida Department of Revenue personal income tax FAQ

Retrieved 2026-10-02. https://floridarevenue.com/faq/Pages/FAQDetails.aspx?FAQID=1466

Georgia DOR important tax updates

Retrieved 2026-10-02. https://dor.georgia.gov/taxes/important-tax-updates

Georgia 2021 IT-511 booklet

Retrieved 2026-10-02. https://dor.georgia.gov/document/booklet/2021-it-511-individual-income-tax-booklet/download

Georgia 2022 IT-511 booklet

Retrieved 2026-10-02. https://dor.georgia.gov/document/document/2022-it-511-individual-income-tax-booklet/download

Georgia 2023 IT-511 booklet

Retrieved 2026-10-02. https://dor.georgia.gov/document/document/2023-it-511-individual-income-tax-booklet/download

Georgia signed HB 463: 2026 rate and conditional future reductions

Retrieved 2026-10-02. https://gov.georgia.gov/document/2026-signed-legislation/hb-463/download

Georgia governor announcement of signed HB 463, May 11, 2026

Retrieved 2026-10-02. https://gov.georgia.gov/press-releases/2026-05-11/gov-kemp-signs-legislation-lowering-taxes-and-supporting-economic-growth

Illinois Department of Revenue income tax rates

Retrieved 2026-10-02. https://tax.illinois.gov/research/taxrates/income.html

Massachusetts DOR 4% surtax and base-rate guidance

Retrieved 2026-10-02. https://www.mass.gov/info-details/massachusetts-4-surtax-on-taxable-income

Massachusetts General Laws chapter 62 section 4: surtax indexing

Retrieved 2026-10-02. https://malegislature.gov/Laws/GeneralLaws/PartI/TitleIX/Chapter62/Section4

Michigan Treasury income tax rate guidance

Retrieved 2026-10-02. https://www.michigan.gov/taxes/questions/tax-faqs/income-tax-rate-change/income-tax-rate-change-overview

New Jersey NJ-1040-ES rate tables

Retrieved 2026-10-02. https://www.nj.gov/treasury/taxation/pdf/current/1040esi.pdf

New Jersey 2020-and-after Tax Rate Schedules A and B

Retrieved 2026-10-02. https://www.nj.gov/treasury/taxation/pdf/current/njtaxratesch.pdf

New Jersey 2021 NJ-1040 instructions

Retrieved 2026-10-02. https://www.nj.gov/treasury/taxation/pdf/other_forms/tgi-ee/2021/1040i.pdf

New Jersey 2022 NJ-1040 instructions

Retrieved 2026-10-02. https://www.nj.gov/treasury/taxation/pdf/other_forms/tgi-ee/2022/1040i.pdf

New Jersey 2023 NJ-1040 instructions

Retrieved 2026-10-02. https://www.nj.gov/treasury/taxation/pdf/other_forms/tgi-ee/2023/1040i.pdf

New Jersey 2024 NJ-1040 instructions

Retrieved 2026-10-02. https://www.nj.gov/treasury/taxation/pdf/other_forms/tgi-ee/2024/1040i.pdf

New Jersey 2025 NJ-1040 instructions

Retrieved 2026-10-02. https://www.nj.gov/treasury/taxation/pdf/current/1040i.pdf

New Jersey Division of Taxation continuing income-tax rates

Retrieved 2026-10-02. https://www.nj.gov/treasury/taxation/taxtables.shtml

New York Tax Law §601

Retrieved 2026-10-02. https://www.nysenate.gov/legislation/laws/TAX/601

NCDOR current and previous tax-year rates

Retrieved 2026-10-02. https://www.ncdor.gov/taxes-forms/individual-income-tax/tax-rate-schedules

North Carolina Session Law 2026-41, section 44.1

Retrieved 2026-10-02. https://www3.ncleg.gov/Sessions/2025/Bills/Senate/PDF/S257v8.pdf

North Carolina Legislative Analysis of SL2026-41 section 44.1

Retrieved 2026-10-02. https://dashboard.ncleg.gov/api/Services/BillSummary/2025/S257-SMSV-136(sl)-v-4

Ohio Revised Code §5747.02

Retrieved 2026-10-02. https://codes.ohio.gov/ohio-revised-code/section-5747.02

Ohio 2021 ordinary-income schedule

Retrieved 2026-10-02. https://codes.state.oh.us/ohio-revised-code/section-5747.02/9-30-2021

Ohio 2022 ordinary-income schedule

Retrieved 2026-10-02. https://www.lsc.ohio.gov/assets/organizations/legislative-service-commission/monthly-agency-reports/agency-reports/files/taxannualreport2023.pdf

Ohio 2023 ordinary-income schedule

Retrieved 2026-10-02. https://www.lsc.ohio.gov/assets/organizations/legislative-service-commission/monthly-agency-reports/agency-reports/files/taxannualreport2024.pdf

Pennsylvania Department of Revenue personal income tax

Retrieved 2026-10-02. https://www.pa.gov/agencies/revenue/resources/tax-types-and-information/personal-income-tax

Texas Constitution Article VIII §24-a

Retrieved 2026-10-02. https://statutes.capitol.texas.gov/docs/cn/pdf/cn.8.pdf

Virginia Code §58.1-320

Retrieved 2026-10-02. https://law.lis.virginia.gov/vacode/title58.1/chapter3/section58.1-320/

Washington Department of Revenue income tax

Retrieved 2026-10-02. https://dor.wa.gov/taxes-rates/income-tax