right-of-way. (2) Preemption In the case of any inconsistency or conflict between the provisions of this Act and State law, this Act shall apply in determining the acceptance, scope, validity, and abandonment of a R.S. 2477 right-of-way. (b) Extension The Secretary shall grant a 1-time extension of up to 180 days for any deadline established by this Act for a maximum period of 1 year, for good cause, if the claimant submits to the Secretary, not later than 30 days before the date on which the deadline expires, a written request for the extension signed by the claimant under oath or affirmation. 8. Implementation required (a) In general Not later than 90 days after the date of the enactment of this Act, the Secretary shall complete all policies, procedures, delegations, forms, and any other action necessary to implement this Act and, on the completion of the actions described in paragraph (1), begin processing claims under this Act. (b) Injunction