United States · Bill · HR
H.R. 4459 (117th)
SIMSA
Introduced
16 July 2021
Last action
—
Status
Referred to the Subcommittee on Crime, Terrorism, and Homeland Security.
Sponsors
—
Subjects
Discovery layer
Source updated
5 December 2025
Summary
Stop the Importation and Manufacturing of Synthetic Analogues Act of 2021 or SIMSA This bill establishes a process and requirements for regulating substances that have a similar chemical structure and actual or predicted effect as a controlled substance that is currently subject to such regulation because of its potential for abuse or dependence.
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Timeline
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Votes
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Versions
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Documents
3 official files
Introduced in House (text)
Introduced in House (text)
Introduced in House · EN · 16 July 2021
Introduced in House (PDF)
Introduced in House · EN · 16 July 2021
Introduced in House
summary · EN · 16 July 2021
Sponsors
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Related records
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Sources
PoliticalRepo is an index and interpretation layer, not the authoritative legal source.
- Official source: https://www.congress.gov/bill/117th-congress/house-bill/4459
- Open data entity: https://api.congress.gov/v3/bill/117/hr/4459