on the selection criteria as identified under section 6702(d)(3) and (d)(4) of title 49, United States Code. NATIONAL SURFACE TRANSPORTATION AND INNOVATIVE FINANCE BUREAU For necessary expenses of the National Surface Transportation and Innovative Finance Bureau as authorized by 49 U.S.C. 116 , $9,558,000, to remain available until expended: Provided, That the Secretary may collect and spend fees, as authorized by title 23, United States Code, to cover the costs of services of expert firms, including counsel, in the field of municipal and project finance to assist in the underwriting and servicing of Federal credit instruments and all or a portion of the costs to the Federal Government of servicing such credit instruments: Provided further, That such fees are available until expended to pay for such costs: Provided further, That such amounts are in addition to other amounts made available for such purposes and are not subject to any obligation limitation or the limitation on administrative expenses under section 608 of title 23, United States Code. RURAL AND TRIBAL INFRASTRUCTURE ADVANCEMENT For necessary expenses to carry out rural and Tribal infrastructure advancement as authorized in section 21205 of Public Law 117–58 , $25,000,000, to remain available until September 30, 2026: Provided, That the Secretary may enter into cooperative agreements with philanthropic entities, non-profit organizations, other Federal agencies, State or local governments and their agencies, Indian Tribes, or other technical assistance providers, to provide such technical assistance, planning, and capacity building to State, local, or Tribal governments, United States territories, metropolitan planning organizations, transit agencies, or other political subdivisions of State or local governments. RAILROAD REHABILITATION AND IMPROVEMENT FINANCING PROGRAM The Secretary is authorized to issue direct loans and loan guarantees pursuant to chapter 224 of title 49, United States Code, and such authority shall exist as long as any such