; (B) may include thinning, fuel reduction, creation and treatment of shaded fuel breaks, and other appropriate measures; (C) shall only be conducted on National Forest System land— (i) adjacent to the right-of-way of a participant; or (ii) within 75 feet of the right-of-way of a participant; and (D) shall not be conducted on— (i) a component of the National Wilderness Preservation System; (ii) a designated wilderness study area; or (iii) an inventoried roadless area. (2) Approval Each vegetation management project described in paragraph (1) (including each vegetation management activity described in subparagraphs (A) through (D) of that paragraph) shall be subject to approval by the Forest Service in accordance with this section. (e) Project costs (1) In general Except as provided in paragraph (2), a participant in the pilot program shall be responsible for all costs, as determined by the Secretary, incurred in participating in the pilot program. (2) Federal funding The Secretary may contribute funds for a vegetation management project conducted under the pilot program if the Secretary determines that the contribution is in the public interest. (f) Liability (1) In general Participation in the pilot program shall not affect any legal obligations or liability standards that— (A) arise under the right-of-way for activities in the right-of-way; or (B) apply to fires resulting from causes other than activities conducted pursuant to an approved vegetation management project conducted under the pilot program. (2) Project work A participant in the pilot program shall not be liable to the United States for damage proximately caused by an activity conducted pursuant to an approved vegetation management project conducted under the pilot program, unless— (A) the activity was carried out in a manner that was grossly negligent or that violated criminal law