; (2) self-insurance, which covers the United States as an additional insured, if authorized by State law; or (3) a combination of the coverage described in paragraphs (1) and (2). (c) Exculpatory agreements (1) In general Except as provided in paragraph (2), a Federal land management agency shall not implement, administer, or enforce any regulation, guidance, or policy prohibiting the use of an exculpatory agreement between a recreation service provider or a holder of a commercial use authorization and a customer relating to services provided under a special recreation permit or a commercial use authorization. (2) Requirements Any exculpatory agreement used by a recreation service provider or holder of a commercial use authorization for an activity authorized under a special recreation permit or commercial use authorization— (A) shall shield the United States from any liability, if otherwise allowable under Federal law; and (B) shall not waive any liability of the recreation service provider or holder of the commercial use authorization that may not be waived under the laws (including common law) of the applicable State or for gross negligence, recklessness, or willful misconduct. (3) Consistency Not later than 2 years after the date of enactment of this Act, the Secretaries shall— (A) review the policies of the Secretaries pertaining to the use of exculpatory agreements by recreation service providers and holders of commercial use authorizations