25 C.F.R. § 163.36
(b) The authorized tribal representatives of any category 1, 2, or 3 reservation (as defined under § 163.36(b)(1)-(3)) with an established tribal forestry program or with an intent to establish such a program for the purpose of carrying out forest land management activities may apply and qualify for tribal forestry program financial support. Reservation categories, as determined by the Secretary, are defined as:
(d) Before the beginning of each Federal fiscal year, tribes applying to qualify for forestry program financial support shall submit application packages to the Secretary which:
(e) Tribal forestry program financial support shall provide professional and technical services to carry out forest land management activities and shall be based on levels of funding assistance as follows:
(f) Determination of qualification for level of funding assistance shall be as follows:
(1) A funding level qualification value shall be determined for each eligible applicant using the formula below. Such formula shall only be used to determine which applicants qualify for level one funding assistance. Acreage and allowable cut data used in the formula shall be as maintained by the Secretary. Eligible applicants with a funding level qualification value of one (1) or greater shall qualify for level one assistance.
Funding Level Qualification Formula

where: CA = applicant's total commercial Indian forest land acres; Tot. CA = national total commercial Indian forest land acres; AAC = applicant's total allowable annual cut from commercial Indian forest land acres; and Tot. AAC = national total allowable annual cut from commercial Indian forest land acres.
(g) Tribal forestry program financial support funds shall be distributed based on the following: