(a) Notwithstanding any other provision of this article or Article 3 (commencing with Section 5080.50), the department may enter into a restoration agreement with the Leland Stanford Mansion Foundation, a nonprofit organization, for the purpose of restoring the front staircase at the Leland Stanford Mansion State Historical Park. The agreement shall include, but shall not be limited to, all of the following:

1. (1) A requirement that the restoration shall follow the United States Secretary of the Interior’s Standards for the Treatment of Historic Properties guidelines and the guidelines set forth by the American Institute for Conservation of Historic and Artistic Works.
2. (2) A requirement that the restoration also shall comply with any applicable code of ethics or guidelines for practice governing the rehabilitation and preservation of historical sites and buildings. All plans for the work, the work in process, and the finished work shall be audited by the department.
3. (3) All costs of the restoration of the front staircase at the Leland Stanford Mansion State Historical Park shall be incurred under the authority of, and be the responsibility of, the Leland Stanford Mansion Foundation.