Any building that is:

• Listed individually in the National Register of Historic places (a listing maintained by the Department of the Interior) or preliminarily determined by the Secretary of the Interior as meeting the requirements for individual listing on the National Register; or
• Certified or preliminarily determined by the Secretary of the Interior as contributing to the historical significance of a registered historic district or a district preliminarily determined by the Secretary of the Interior to qualify as a registered historic district; or
• Individually listed in a state inventory of historic places in states with preservation programs that have been approved by the Secretary of the Interior; or
• Individually listed on a local inventory of historic places in communities with historic preservation programs that have been certified either:
  – By an approved state program as determined by the Secretary of the Interior; or
  – Directly by the Secretary of the Interior in states without approved programs.