This Act may be cited as the Undersea Cable Protection Act of 2025.

The National Marine Sanctuaries Act (16 U.S.C. 1431 et seq.U.S. Code — Title 16, Section 1431 and followingView official source on GovInfo) is amended by inserting after section 310 the following: 310A. Prohibition on prohibiting, or requiring permits or other authorizations for, undersea fiber optic cables authorized by a Federal or State agency (a) In general Notwithstanding any other provision of this Act, the Secretary may not prohibit, or require any permit, including any special use permit, or other authorization for, the installation, continued presence, operation, maintenance, repair, or recovery of undersea fiber optic cables in a national marine sanctuary if a license, lease, or permit has been issued by a Federal or State agency, and is in effect, authorizing such installation, continued presence, operation, maintenance, repair, or recovery. (b) Interagency cooperation Nothing in this section shall be construed as altering existing requirements regarding interagency cooperation under section 304(d) in any Federal agency action described in that section and involving the installation, continued presence, operation, maintenance, repair, or recovery of undersea fiber optic cables in a national marine sanctuary..

Section 310(c) of National Marine Sanctuaries Act (16 U.S.C. 1441(c)U.S. Code — Title 16, Section 1441(c)View official source on GovInfo) is amended— (1) in paragraph (1), by adding and at the end; (2) by striking paragraphs (2) and (3); and (3) by redesignating paragraph (4) as paragraph (2).