; (ii) to make the land unavailable for appropriation under public land laws; and (iii) to dedicate the land by the United States to a specific public purpose, such as a park, military establishment, wilderness area, tribal land, or Federal enclave, that does not rely on a R.S. 2477 right-of-way for the public purpose. (B) Exclusion The term reserved does not apply to an action of the Secretary with respect to the designation of a wilderness study area, an area of critical environmental concern, or land with wilderness characteristics. (17) Scope The term scope means the established width of a R.S. 2477 right-of-way as of the date of acceptance, including the area needed to meet the public convenience or safety or the exigencies of increased travel based on the traditional use of a highway (including permissible improvements, realignments, or relocation), and is not limited to the disturbed surface of the highway. (18) Secretary The term Secretary means the Secretary with management jurisdiction over land owned or controlled by the United States on which a R.S. 2477 right-of-way is claimed to be located. 4. Filing of claim (a) Filing (1) In general Except as provided in paragraph (2), during the 25-year period beginning on the date of enactment of this Act, a claimant asserting the public acceptance of a right-of-way granted under R.S. 2477 may file a claim under this section. (2) Exception Notwithstanding paragraph (1), a claimant may not file a claim under paragraph (1) if the claimant filed a notice of an intent to file suit with respect to a claim asserting the public acceptance of a right-of-way granted under R.S. 2477 under section 2409a(m) of title 28, United States Code, before the date of enactment of this Act. (b) Form; contents (1) Form Not later than 30 days after the date of enactment of this Act, the Secretary shall establish a form to be used by claimants for filing claims under this section. (2) Contents A claim filed under subsection (a)(1) shall include— (A) evidence supporting the claim