Section 106 review takes its name from Section 106 of the National Historic Preservation Act of 1966, as amended (NHPA)  Section 106 requires federal agencies or their applicants to take into account the effects of their undertakings on historic structural and archaeological properties. The Section 106 process must be completed prior to the spending of federal funds or issue of a federal license or permit for the undertaking. The Section 106 process must be conducted as directed by federal regulation (36 CFR Part 800)  .

Under the NHPA, the Louisiana Office of Cultural Development is given the role of the State Historic Preservation Office (SHPO). Within the SHPO there are two offices that conduct Section 106 on a joint basis, the Division of Historic Preservation and the Division of Archaeology. The Division of Historic Preservation reviews the effects of federal actions on above-ground structures. Currently, the Louisiana Division of Historic Preservation processes over 19,000 federal projects annually -- everything from highway construction to bringing blighted housing up to code, levee projects, cell towers, restoration of historic federal buildings, and construction of park and recreation facilities, etc. Section 106 review is a positive advisory process that affords federal agencies the opportunity to take historic preservation fully into account as part of their overall planning process.

In order to carry out its review the Division of Historic Preservation requires the following information:

For archaeology review requirements, please contact the Division of Archaeology at (225) 342-8165.

Cover letter with attached background describing the following:

  1. Name of federal agency, agency involvement (funding, license/permit, etc. description of the undertaking, and a detailed description of the project). 
  2. Applicant's contact information (name, address, phone number, and email address).
  3. Agency contact information (name, address, phone number, and email address).
  4. Description of the Area of Potential Effects (APE). The APE can be direct or indirect. It is defined as “the geographic area or areas within which an undertaking may cause changes in the character or use of historic properties, if any such properties exist.” (Include the latitude/longitude of the undertaking location and APE)
  5. Description of all historic properties within and adjacent to the APE. The historic standing structure is any structure fifty years of age and older. Under Section 106, it is the responsibility of the federal agency or its designee to identify all structures listed or eligible for listing in the National Register of Historic Places.
  6. Detailed project scope of work including design plans.
      • Map and site plan showing APE and exact location of project undertaking with latitude/longitude.
      • Photographs of the entire APE and project location. Photographs of all historic standing structures (fifty years of age and older) within the APE. Buildings should be documented showing diagonal views of front and side, and rear and opposite side of the building. All photos should be keyed to a site map and project plans if applicable.


If you are submitting a cellular communication tower project for Section 106 review, please access the Federal Communication Web site Nationwide Programmatic Agreement for information on what is required for SHPO Section 106 review.


Submitting Your Documents for Review
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Send the cover letter and supporting background documentation addressed to:

Kristin Sanders, State Historic Preservation Officer
Louisiana Office of Cultural Development
P.O. Box 44247
Baton Rouge, LA 70804-4241

Submit your request electronically to

Fieldwork and Cultural Resources Reports

Cultural Resource Reports are often required as part of the Section 106 process.  If you are submitting a Cultural Resource Report, please view our updated Fieldwork Guidelines and Report Guidelines. Both of these guidance documents were updated in October 2021.

If you have any questions, contact Jennie García in the Division of Historic Preservation at or by phone at 225-342-9811.

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