To encourage the preservation and adaptive use of historic buildings and cultural landscapes that represent significant embodied energy and cultural value, in a manner that preserves historic materials and character-defining features.
Do not demolish any historic buildings, or portions thereof, or alter any cultural landscapes as part of the project.
An exception is granted only if such action has been approved by an appropriate review body. For buildings or landscapes listed locally, approval must be granted by the local historic preservation review board, or equivalent. For buildings or landscapes listed in a state register or in the National Register of Historic Places (or a local equivalent for projects outside the U.S.) approval must appear in a programmatic agreement with the State Historic Preservation Office or National Park Service (or a local equivalent for projects outside the U.S.).
If any cultural landscapes or historic buildings in the project site are to be rehabilitated, restored, or preserved, rehabilitate in accordance with local review or national standards for rehabilitation, whichever is more restrictive, using one of the following approaches:
- Obtain approval, in the form of a “certificate of appropriateness,” from a locally appointed historic preservation commission or architectural review board for any exterior alterations or additions.
- If government funds are used for the project, obtain confirmation from a national historic preservation office or the National Park Service (or local equivalent for projects outside the U.S.) that the rehabilitation satisfies the Secretary of the Interior’s Standards for Rehabilitation (or local equivalent for projects outside the U.S.).
- If a building or site is listed in or determined eligible for the National Register of Historic Places (or local equivalent for projects outside the U.S.) but is not subject to national or local review board review, include on the project team a preservation professional who meets the U.S. federal, or accepted national, qualifications for historic architect and attests to conformance to the Secretary of the Interior’s Standards for the Treatment of Historic Properties (or local equivalent for projects outside the U.S.).
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