; (ii) approve or disapprove the Tribal regulation; and (iii) notify the Indian tribe that submitted the Tribal regulation of the approval or disapproval. (B) Written documentation If the Secretary of the Interior disapproves a Tribal regulation submitted under paragraph (1)(A), the Secretary of the Interior shall include with the disapproval notification under subparagraph (A)(iii) written documentation describing the basis for the disapproval. (C) Extension The Secretary of the Interior may, after consultation with the Indian tribe that submitted a Tribal regulation under paragraph (1)(A), extend the 180-day period described in subparagraph (A). (4) Federal environmental review Notwithstanding paragraphs (2) and (3), if an Indian tribe carries out a project or activity funded by a Federal agency, the Indian tribe may rely on the environmental review process of the applicable Federal agency rather than any Tribal environmental review process required under this subsection. (c) Documentation An Indian tribe granting a right-of-way under subsection (a) shall provide to the Secretary of the Interior— (1) a copy of the right-of-way, including any amendments or renewals