; and (B) the applicant or holder is in compliance with the terms and conditions of the existing or expired special use authorization. (2) Modification, removal, repair, maintenance, reconstruction, or replacement of a facility or improvement for an existing special use authorization. (3) Issuance of a new special use authorization or amendment to an existing special use authorization for activities that will occur on existing roads, trails, facilities, or areas approved for use in a land management plan or other documented decision. (4) Approval, modification, or continuation of minor, short-term (5 years or less) special uses of National Forest System lands or public lands. (5) Issuance of a special use authorization for an existing unauthorized use or occupancy that has not been deemed in trespass where no new ground disturbance is proposed. (6) Approval or modification of minor special uses of National Forest System lands or public lands that require less than 20 contiguous acres. (7) Approval of vegetative management plans, and vegetation management activities in accordance with an approved vegetation management plan, under a special use authorization for an electric transmission and distribution facility right-of-way. (c) Availability of exclusion On and after the date of the enactment of this Act, the Secretary of Agriculture may use the categorical exclusion established under subsection (a) in accordance with this section. (d) Document requirements The Secretary of Agriculture shall not be required to prepare a project file or decision memorandum to categorically exclude a forest management activity described under paragraphs (1) through (4) of subsection (b). 8321. Clarification of existing categorical exclusion authority related to insect and disease infestation Section 603(c)(2)(B) of the Healthy Forests Restoration Act of 2003 ( 16 U.S.C. 6591b(c)(2)(B) ) is amended by striking Fire Regime Groups I, II, or III and inserting Fire Regime I, Fire Regime II, Fire Regime III, Fire Regime IV, or Fire Regime