; and (3) provide an opportunity for written feedback and input from border community stakeholders. (e) Notification Not more than 90 days before commencing any construction, installation, deployment, operation, or maintenance of additional physical barriers, tactical infrastructure, or technology (including removal of obstacles for such purpose) at a site in a Border Patrol sector in accordance with this section, the Secretary shall provide the Comptroller General of the United States, the Committee on Homeland Security of the House of Representatives, and the Committee on Homeland Security and Governmental Affairs of the Senate with the following: (1) The final mitigation plan under subsection (c) or an updated final mitigation plan under subsection (d), together with information relating to the feedback and input received in accordance with subsection (b) or subsection (d), respectively. (2) Information on the following: (A) The type of additional physical barriers, tactical infrastructure, or technology the Secretary has determined is most practical and effective to achieve situational awareness and operational control at such site. (B) The associated timeline for the construction, installation, deployment, operation, or maintenance of such additional physical barriers, tactical infrastructure, or technology (including removal of obstacles for such purpose). (C) Projected costs, analysis of alternatives, and plans for such removal, construction, installation, deployment, operation, or maintenance or such additional physical barriers, tactical infrastructure, or technology, together with specific information on how much of such site is privately owned and may be subject to eminent domain. (f) Definitions In this section: (1) Border community stakeholders The term border community stakeholders means, with respect to sites in Border Patrol sectors at which construction, installation, deployment, operation, or maintenance of additional physical barriers, tactical infrastructure, or technology (including removal