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Title 42, The Public Health and WelfareRelease 119-110

§4004 Definitions Applicable to Biggert-waters Flood Insurance Reform Act of 2012

Title 42 › CHAPTER 50 — NATIONAL FLOOD INSURANCE › § 4004

Last updated Sep 22, 2026|Official source

Summary

Defines important terms used in this subtitle. "100-year floodplain" is land that has a 1-percent chance of flooding in any year. "500-year floodplain" is land that has a 0.2-percent chance of flooding in any year. "Administrator" means the head of FEMA. "National Flood Insurance Program" is the program set up by the National Flood Insurance Act of 1968. "Write Your Own" is the partnership that lets private insurers sell and handle standard flood insurance policies. Other words use the meanings given in section 1370 of the National Flood Insurance Act of 1968.

Full Legal Text

Title 42, §4004

The Public Health and Welfare, Source: USLM XML via OLRC

(a)In general
In this subtitle, the following definitions shall apply:
(1)100-year floodplain (2) 500-year floodplain (3) Administrator (4) National Flood Insurance Program
The term “100-year floodplain” means that area which is subject to inundation from a flood having a 1-percent chance of being equaled or exceeded in any given year.
(5)Write Your Own
The term “Write Your Own” means the cooperative undertaking between the insurance industry and the Federal Insurance Administration which allows participating property and casualty insurance companies to write and service standard flood insurance policies.
(b)Common terminology
Except as otherwise provided in this subtitle, any terms used in this subtitle shall have the meaning given to such terms under section 1370 of the National Flood Insurance Act of 1968 (42 U.S.C. 4121).

Legislative History

Notes & Related Subsidiaries

Editorial Notes

References in Text

This subtitle, referred to in subsecs. (a) and (b), is subtitle A (§§ 100201–100249) of title II of div. F of Pub. L. 112–141, July 6, 2012, 126 Stat. 916, known as the Biggert-Waters Flood Insurance Reform Act of 2012. For complete classification of this subtitle to the Code, see

Short Title

of 2012 Amendment note set out under section 4001 of this title and Tables. The National Flood Insurance Act of 1968, referred to in subsec. (a)(4), is title XIII of Pub. L. 90–448, Aug. 1, 1968, 82 Stat. 572, which is classified principally to this chapter. For complete classification of this Act to the Code, see

Short Title

note set out under section 4001 of this title and Tables. Codification Section was enacted as part of the Biggert-Waters Flood Insurance Reform Act of 2012, and also as part of the Moving Ahead for Progress in the 21st Century Act, also known as the MAP–21, and not as part of National Flood Insurance Act of 1968 which comprises this chapter.

Reference

Citations & Metadata

Citation

42 U.S.C. § 4004

Title 42, The Public Health and Welfare

Last Updated

Sep 22, 2026

Release point: 119-110