(a) The Secretary has the authority to exercise powers of condemnation with respect to:

(1) Private property within the 8-mile area between the eastern boundary of Davis Park and the western boundary of the Smith Point County Park;

(2) Any beach or water and such adjoining land as the Secretary determines is necessary for access to the beach or water;

(3) Any property for which the Certificate of Suspension of Authority for Acquisition by Condemnation has been revoked;

(4) Any property, if the approval of the ordinance of the zoning authority has been revoked; partially revoked, or an exception was made to the Secretarial approval and such property fails to conform to these standards, or any property where the appropriate local zoning authority does not have an ordinance approved by the Secretary;

(5) Any property built or altered after October 17, 1984 that does not conform to the regulations in this part 28;

(6) Any property which becomes an exception to or has been granted a variance, exception, or special use permit after October 17, 1984 that fails or will fail to conform to the regulations in this part 28;

(7) Any new commercial or industrial use that the Superintendent has determined does not conform with § 28.20(a). A new commercial or industrial use is defined as any commercial or industrial use commenced after September 11, 1964. Any change in use of a commercial or industrial use including construction, expansion, or conversion of an existing structure, or change in type, location, mode, or manner of operation, constitutes a new commercial or industrial use;

(8) Any property with respect to which the Secretary's authority to condemn was not suspended and the property failed to conform to the federal standards existing at the time of construction, modification, or commencement of a use, unless such construction, modification or use conforms to the current federal standards; and

(9) Any property in violation of a local ordinance required by § 28.12 (i) and (j).

(b) Undeveloped property which is otherwise subject to condemnation under the Act is not subject to condemnation if it is located in the Dune District and is maintained in its natural state.

(c) The Secretarial authority to condemn any property in the Seashore is suspended for any structure or use constructed, modified, or commenced prior to October 17, 1984 if:

(1) It was built or conducted in conformity with local zoning ordinances and procedures in effect at the time of such construction or commencement or had been issued a variance under local law;

(2) It was built or conducted in conformity to the federal standards existing at the time of such construction or commencement or to these standards; and

(3) The local zoning ordinance is approved by the Secretary without exceptions, or if approved by the Secretary with exceptions, such exceptions are not pertinent or applicable to the property.

(d) The above provisions shall not be interpreted to otherwise limit or circumscribe the authority of the Secretary to condemn property as provided by the Act, or other provisions of law.