# U.S. Treasury Securities-State and Local Government Series
> **Fiscal Service** · Final rule. · Published 2024-03-04 · Effective 2024-08-26 · 89 FR 15440
## Document
- **Document number:** 2024-04380
- **Category:** other
- **Sub-agency:** Fiscal Service
- **Federal Register citation:** 89 FR 15440
- **CFR reference:** 31 CFR 344
- **Publication date:** 2024-03-04
- **Effective date:** 2024-08-26
- **Treasury docket:** FISCAL-2022-0002
## Abstract

The Department of the Treasury (Treasury) is issuing this final rule to amend the regulations governing State and Local Government Series (SLGS) securities. SLGS securities are non-marketable Treasury securities that are available for purchase only by issuers of tax-advantaged securities. The final rule amends the SLGS regulations to prevent impermissible uses of the SLGS program, most notably the use of program flexibilities by tax-advantaged entities, usually a state or local government, investing in SLGS securities to create impermissible cost-free options. The final rule amends the existing regulations to prevent such activity. In addition, the final rule makes administrative changes to increase efficiencies in the program.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2024/03/04/2024-04380/us-treasury-securities-state-and-local-government-series)
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