Sellers and Purchaser shall use commercially reasonable efforts to cooperate with each other (at no cost or expense to the Parties whose cooperation is requested, other than any de minimis cost or expense or any cost or expense which the requesting Party agrees in writing to reimburse) to provide written notice to any Person under any Facility Contracts, Tenant Leases, Licenses and Permits or Resident Agreements and to effect any required registrations or filings with any Governmental Authority or other Person, regarding the change in ownership of the Assets.