(a), the Secretary shall develop and issue written guidance regarding the confidentiality of information provided to the Department of the Army by Indian Tribes in connection with any covered civil works project under the pilot program. (2) Nonpublic information The following information provided to the Department of the Army by an Indian Tribe under the pilot program shall be treated as confidential and nonpublic information, to protect Native American burial sites, village sites, and cultural resources, and their locations, from unauthorized excavation, desecration, or vandalism: (A) Information regarding the locations of burial sites, village sites, and cultural resources, including maps designating such locations. (B) Information regarding cultural or traditional practices related to such sites or resources. (e) Avoidance of duplication In carrying out the pilot program, the Secretary shall avoid, to the maximum extent practicable, duplication of efforts relating to compliance with this section and any other applicable provision of law. (f) Applicability (1) In general Section 208 of the Water Resources Development Act of 2000 ( 33 U.S.C. 2338 ) shall not apply to a covered civil works project during the period during which the Secretary is carrying out the pilot program. (2) Existing contracts Nothing in this section shall affect any contract relating to a covered civil works project entered into by the Secretary of the Army before the date of enactment of this Act. (g) Period The Secretary shall carry out the pilot program until the date that is 4 years after the date on which the pilot program is established. (h) Definitions In this section: (1) Affected Indian Tribe The term affected Indian Tribe means any Indian Tribe that attaches religious or other significance to any burial site, village site, or cultural resources identified or discovered at a covered civil works project. (2) Burial site The term burial site means any natural or prepared physical location, whether originally below, on, or above the