# IMARA Calculation Under the Terrorism Risk Insurance Program
> **Treasury** · Final rule. · Published 2019-11-15 · Effective 2019-12-16 · 84 FR 62450
## Document
- **Document number:** 2019-24801
- **Category:** other
- **Sub-agency:** Treasury
- **Federal Register citation:** 84 FR 62450
- **CFR reference:** 31 CFR 50
- **Publication date:** 2019-11-15
- **Effective date:** 2019-12-16
## Abstract

The Department of the Treasury (Treasury) is issuing this final rule to implement technical changes to program regulations that address the calculation and notification to the public of the Terrorism Risk Insurance Program's (Program) insurance marketplace aggregate retention amount (IMARA) under the Terrorism Risk Insurance Act (Act), as amended. The changes were published in proposed form for public comment on September 6, 2019.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2019/11/15/2019-24801/imara-calculation-under-the-terrorism-risk-insurance-program)
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