; and (F) regularly monitor and audit each eligible project being constructed by an Indian Tribe under this section to ensure that the construction activities are carried out in compliance with the plans approved by the Secretary and that the construction costs are reasonable. (2) Detailed project schedule Not later than 180 days after entering into an agreement under paragraph (1)(D), each Indian Tribe, to the maximum extent practicable, shall submit to the Secretary a detailed project schedule, based on estimated funding levels, that lists all deadlines for each milestone in the construction of the eligible project. (3) Technical assistance On the request of an Indian Tribe, the Secretary may provide technical assistance to the Indian Tribe, if the Indian Tribe contracts with and compensates the Secretary for the technical assistance relating to— (A) any study, engineering activity, and design activity for construction carried out by the Indian Tribe under this section; and (B) expeditiously obtaining any permits necessary for the eligible project. (e) Cost share Nothing in this section affects the cost-sharing requirement applicable on the day before the date of enactment of this Act to an eligible project carried out under this section. (f) Implementation guidance (1) In general Not later than 120 days after the date of enactment of this Act, the Secretary shall issue guidance for the implementation of the pilot program under this section that, to the extent practicable, identifies— (A) the metrics for measuring the success of the pilot program; (B) a process for identifying future eligible projects to participate in the pilot program; (C) measures to address the risks of an Indian Tribe constructing eligible projects under the pilot program, including which entity bears the risk for eligible projects that fail to meet Corps of Engineers standards for design or quality; (D) the laws and regulations that an Indian Tribe must follow in carrying out an eligible project under the pilot program