; (2) the occurrence in subsection (b) of the name of a unit solely in the title of a map shall not be construed to be a reference to such unit; and (3) the depiction of boundaries of any of units P18P, FL–71P, and P24P in a map referred to in paragraph (21), (23), or (26) of subsection (b) shall not be construed to affect the boundaries of such unit. (d) Conforming amendment Section 4(a) of the Coastal Barrier Resources Act ( 16 U.S.C. 3503(a) ) is amended— (1) in the matter preceding paragraph (1), by inserting replaced, after may be ; and (2) in paragraph (3), by inserting replaces such a map or after that specifically . 3. Digital maps of John H. Chafee Coastal Barrier Resources System Units Section 4(b) of the Coastal Barrier Resources Act ( 16 U.S.C. 3503(b) ) is amended— (1) by inserting before the first sentence the following: (1) In general ; and (2) by adding at the end the following: (2) Digital maps (A) Availability The Secretary shall make available to the public on the Internet web site of the United States Fish and Wildlife Service digital versions of the maps included in the set of maps referred to in subsection (a). (B) Effect Any determination as to whether a location is inside or outside the System shall be made without regard to the digital maps available under this paragraph, except that this subparagraph does not apply with respect to any printed version of such a digital map if the printed version is included in the maps referred to in subsection (a). .