; and (B) that the certifying officer consents to assume the status of a responsible Federal official under the provisions of law that would apply to each Federal agency providing additional funding under paragraph (1). (4) Liability (A) In general An Indian tribe that completes an environmental review under this subsection shall assume sole liability for the content and quality of the review. (B) Remedies and sanctions Except as provided in subparagraph (C), if the Secretary approves a certification and release of funds to an Indian tribe for a project in accordance with subsection (b), but the Secretary or the head of another Federal agency providing funding for the project subsequently learns that the Indian tribe failed to carry out the responsibilities of the Indian tribe as described in subsection (a) or paragraph (1), as applicable, the Secretary or other head, as applicable, may impose appropriate remedies and sanctions in accordance with— (i) the regulations issued pursuant to section 106