; and (ii) section 46.215 of title 43, Code of Federal Regulations (or a successor regulation). (c) Needs assessments Except as required under subsection (c) or (d) of section 4 of the Wilderness Act ( 16 U.S.C. 1133 ), the Secretary concerned shall not conduct a needs assessment as a condition of issuing a special recreation permit for a Federal land unit under this Act. (d) Online applications The Secretary concerned shall make applications for special recreation permits available to be completed and submitted online unless the Secretary concerned determines that making applications for special recreation permits available to be completed and submitted online would not improve the efficiency or accessibility of the permitting process. 104. Permit flexibility (a) Similar activities The Secretary concerned shall establish a permit administration protocol that authorizes, to the maximum extent practicable, a permittee issued a special recreation permit for a Federal land unit under section 803(h) of the Federal Lands Recreation Enhancement Act ( 16 U.S.C. 6802(h) ) to engage in a recreational activity that is substantially similar to the specific activity authorized under the special recreation permit, if the substantially similar recreational activity— (1) is comparable in type, nature, scope, and ecological setting to the specific activity authorized under the special recreation permit; (2) does not result in a greater impact on natural and cultural resources than the authorized activity; (3) does not adversely affect any other permittee issued a special recreation permit for a Federal land unit under that subsection; (4) does not involve the use of a motor for a previously non-motorized use