# GPS Research Library
> The definitive public archive for United States federal laws, historical IRS communications, and tax research materials.

## Core Legal Resources
- [United States of America Directory](https://www.gpsresearchlibrary.com/USA/): The primary hub for all federal authoritative and non-authoritative resources.
- [United States Constitution](https://www.gpsresearchlibrary.com/USA/US-Constitution): Full text of the founding document and all subsequent Amendments.
- [Declaration of Independence](https://www.gpsresearchlibrary.com/USA/Declaration-of-Independence): Historical founding text of the United States.
- [US Code Archive (U.S.C.)](https://www.gpsresearchlibrary.com/USA/US-Code/): Annual codifications of general and permanent laws.
- [2026 U.S. Code](https://www.gpsresearchlibrary.com/USA/US-Code/2026/): Current edition (current through April 18, 2026).
- [2024 U.S. Code](https://www.gpsresearchlibrary.com/USA/US-Code/2024/): Historical archive.
- [2023 U.S. Code](https://www.gpsresearchlibrary.com/USA/US-Code/2023/): Historical archive.
- [New York State Page](https://www.gpsresearchlibrary.com/USA/NY): State-specific legal and tax resource directory.

## IRS & Tax Authority
- [Internal Revenue Bulletins (IRB)](https://www.gpsresearchlibrary.com/USA/US-Department-of-the-Treasury/IRS/Bulletins): Official weekly guidance from the IRS dating from 1919 to the present.
- [IRS Positions](https://www.gpsresearchlibrary.com/USA/US-Department-of-the-Treasury/IRS): Directory of administrative rulings and technical advice.
- [IRS Notices](https://www.gpsresearchlibrary.com/USA/US-Department-of-the-Treasury/IRS/Notices): Public announcements and regulatory guidance from the Internal Revenue Service.
- [IRS Forms & Instructions](https://www.gpsresearchlibrary.com/USA/US-Department-of-the-Treasury/IRS/Forms): Comprehensive current and historical tax form archive.
- [IRS Publications](https://www.gpsresearchlibrary.com/USA/US-Department-of-the-Treasury/IRS/Publications): General tax guidance publications for various entities.
- [Circular 230](https://www.gpsresearchlibrary.com/USA/US-Department-of-the-Treasury/IRS/Circle230): Regulations governing practice before the Internal Revenue Service.
- [US Tax Treaties](https://www.gpsresearchlibrary.com/USA/US-Department-of-the-Treasury/US-Tax-Treaties): International income tax agreements organized by country.
- [Social Security Resources](https://www.gpsresearchlibrary.com/USA/US-Social-Security-Administration/Publications): SSA forms and authoritative publications.

## Official Email Archives
- [Internal Revenue Service (IRS) Emails](https://www.gpsresearchlibrary.com/USA/US-Department-of-the-Treasury/IRS/Email-Archive): Primary source IRS logic and archival logs.
- [US Courts Email Archive](https://www.gpsresearchlibrary.com/USA/US-Courts-Email-Archive): Real-time updates and logic from the federal judiciary.
- [Department of the Treasury](https://www.gpsresearchlibrary.com/USA/US-Department-of-the-Treasury/Email-Archive): Official Treasury department communications.
- [FinCEN (Financial Crimes Enforcement Network)](https://www.gpsresearchlibrary.com/USA/US-Department-of-the-Treasury/FINCEN-Email-Archive): Financial crimes and anti-money laundering updates.
- [Federal Reserve Archives](https://www.gpsresearchlibrary.com/USA/US-Federal-Reserve/Email-Archive): Central banking and FRB New York communications.
- [TTB (Alcohol and Tobacco Tax and Trade)](https://www.gpsresearchlibrary.com/USA/US-Department-of-the-Treasury/TTB-Email-Archive): Tax and trade bureau email logs.
- [CDFI Fund](https://www.gpsresearchlibrary.com/USA/US-Department-of-the-Treasury/CDFI-Fund-Email-Archive): Community Development Financial Institutions Fund records.
- [Social Security Administration](https://www.gpsresearchlibrary.com/USA/US-Social-Security-Administration/Email-Archive): Real-time SSA logic and archival logs.

## Administrative Tools & Policies
- [USA Taxpayer Rights](https://www.gpsresearchlibrary.com/USA-Taxpayer-Rights): Directory of federal and state-level taxpayer protections.
- [Tax Calendars](https://www.gpsresearchlibrary.com/Tax-Calendars): Key compliance dates for USA and international jurisdictions.
- [Unclaimed Funds](https://www.gpsresearchlibrary.com/Unclaimed-Funds): Global identification directory for identifying lost assets.

## Site Metadata
- **Status**: Under active site-wide transformation; transitioning from private paywall to public access.
- **Funding**: Ad-supported to provide free public legal access.
- **Search Capability**: Indexed search for Federal Authoritative files available on the USA Directory page.