; and (2) by adding at the end the following: (c) Applicability to otherwise protected areas Consistent with the Coastal Barrier Improvement Act of 1990 ( Public Law 101–591 ; 104 Stat. 2931), except for limitations on new flood insurance coverage described in section 1321 of the National Flood Insurance Act of 1968 ( 42 U.S.C. 4028 ), the prohibitions on Federal expenditures and financial assistance described in subsection (a) shall not apply within Otherwise Protected Areas. (d) Prohibitions affecting existing insurable structures within the System (1) In general With respect to additions to the System made on or after the date of enactment of the Strengthening Coastal Communities Act of 2023 but subject to paragraphs (2) and (3), the prohibitions on new expenditures and new financial assistance under subsection (a) shall take effect on the date that is 1 year after the date on which the addition to the System was made. (2) Existing structures (A) In general An insurable structure described in subparagraph (B) shall remain eligible for new Federal expenditures and new Federal financial assistance. (B) Insurable structure described An insurable structure referred to in subparagraph (A) is an insurable structure that is— (i) located within a new addition to the System made on or after the date of enactment of the Strengthening Coastal Communities Act of 2023