(1) The Secretary may deposit into the Indian forest land assistance account established pursuant to subsection (a) of this section any funds received by the Secretary or in the Secretarys possession from
(A) non-Federal sources, if such funds are related to activities on or for the Indian forest lands of such tribes reservation,
(C) unobligated forestry appropriations for the benefit of such Indian tribe, and
(D) user fees or other funds transferred under Federal interagency agreements if otherwise authorized by Federal law and, if such funds are related to activities on or for the Indian forest lands of such tribes reservation.
Funds deposited in such account shall be for the purpose of conducting forest land management activities on the Indian forest lands of such tribe.