In 2011, the Programmatic Agreement Among the Federal Railroad Administration, the Advisory Council on Historic Preservation, the California State Historic Preservation Officer, and the California High-Speed Rail Authority (CHSRA/Authority) Regarding Compliance with Section 106 of the National Historic Preservation Act, as it Pertains to the California High-Speed Train Project was executed. In accordance with Stipulation XVII(B), the Fedeal Railroad Administration and the CHSRA have proposed a second amendment to extend the duration of the agreement.