; and (2) an estimate of the time and total cost necessary for Indian Tribes to digitize the records described in paragraph (1), in conjunction with assistance in that digitization from the Bureau. 4. Establishment of Realty Ombudsman position (a) In general The Director shall establish within the Division of Real Estate Services of the Bureau the position of Realty Ombudsman, who shall report directly to the Secretary of the Interior. (b) Functions The Realty Ombudsman shall— (1) ensure that the applicable Bureau offices are meeting the mortgage review and processing deadlines established by section 3(a); (2) ensure that the applicable Bureau offices comply with the notices required under subsections (a) and (b) of section 3; (3) serve as a liaison to other Federal agencies, including by— (A) ensuring the Bureau is responsive to all of the inquiries from the relevant Federal agencies; and (B) helping to facilitate communications between the relevant Federal agencies and the Bureau on matters relating to mortgages on Indian land; (4) receive inquiries, questions, and complaints directly from Indian Tribes, members of Indian Tribes, and lenders in regard to executed residential leasehold mortgages, business leasehold mortgages, land mortgages, or right-of-way documents; and (5) serve as the intermediary between the Indian Tribes, members of Indian Tribes, and lenders and the Bureau in responding to inquiries and questions and resolving complaints.