; or (B) an Indian tribal government that has received a major disaster declaration during the 5-year period ending on the date of enactment of the STORM Act . (4) Hazard mitigation plan The term hazard mitigation plan means a mitigation plan submitted under section 322. (5) Insular area The term insular area means Guam, American Samoa, the Commonwealth of the Northern Mariana Islands, and the United States Virgin Islands. (6) Low-income geographic area The term low-income geographic area means an area described in paragraph (1) or (2) of section 301(a) of the Public Works and Economic Development Act of 1965 ( 42 U.S.C. 3161(a) ). (7) Participating entity The term participating entity means an eligible entity that has entered into an agreement under this section. (8) Repetitive loss structure The term repetitive loss structure has the meaning given the term in section 1370 of the National Flood Insurance Act of 1968 ( 42 U.S.C. 4121 ). (9) Severe repetitive loss structure The term severe repetitive loss structure has the meaning given the term in section 1366(h) of the National Flood Insurance Act of 1968 ( 42 U.S.C. 4104c(h) ). (10) State The term State means any State of the United States, the District of Columbia, and Puerto Rico. (l) Authorization of appropriations There are authorized to be appropriated $100,000,000 for each of fiscal years 2021 through 2023 to carry out this section. .