National Historic Landmark Designation ceremony at Casa Navarro State Historic Site.

National Historic Preservation Act

Learn about the National Historic Preservation Act's requirements that federal agencies consult with the THC, other stakeholders, and the public to take into account the effects of their undertakings on historic properties.

Section 106 Review Process

Review the THC's overview of the steps in the Section 106 process.

Guidance and Agreement Documents

The THC has developed guidance and agreement documents for compliance with Section 106 of the National Historic Preservation Act and the Antiquities Code of Texas.


The Texas Historical Commission serves as a repository for a wide array of mitigation materials, which are produced when a federally funded project negatively impacts historic resources.

Project Review Resource Links

Find additional information on the National Historic Preservation Act, the identification of historic properties, treatment of historic properties, and consulting parties and public input.

Statutes, Regulations, and Rules

Read about the laws and documents governing historic preservation that pertain to the mission of the Texas Historical Commission.