; or (2) as otherwise required by law. (f) Financial Assurance The lead agency shall determine the amount of financial assurance required for reclamation of a mineral exploration or mining site, on the condition that the financial assurance shall cover the estimated cost if the lead agency were to contract with a third party to reclaim the operations according to the reclamation plan, including construction and maintenance costs for any treatment facilities necessary to meet Federal, State, or tribal environmental standards. (g) Projects within National Forests With respect to projects on National Forest System land, the lead agency shall— (1) exempt from the requirements of part 294 of title 36, Code of Federal Regulations (or successor regulations)— (A) all areas of identified mineral resources in land use designations, other than nondevelopment land use designations, in existence on the date of enactment of this Act; and (B) all additional routes and areas that the lead agency determines necessary to facilitate the construction, operation, maintenance, and restoration of an area described in paragraph (1)