(a)  In general

Notwithstanding any other provision of law, including the adequate land use and control measures developed pursuant to section 4102 of this title and applicable to non-one- and two-family structures located within coastal areas, as identified by the Administrator, the following may be permitted:

(1)  Nonsupporting breakaway walls in the space below the lowest elevated floor of a building, if the space is used solely for a swimming pool between November 30 and June 1 of any year, in an area designated as Zone V on a flood insurance rate map.

(2)  Openings in walls in the space below the lowest elevated floor of a building, if the space is used solely for a swimming pool between November 30 and June 1 of any year, in an area designated as Zone A on a flood insurance rate map.

(b)  Rule of construction

Nothing in subsection (a) shall be construed to alter the terms and conditions of eligibility and insurability of coverage for a building under the standard flood insurance policy under the national flood insurance program.