The conveyance shall be completed with terms and for consideration as may be negotiated. Upon and after the conveyance, the municipal corporation shall manage, maintain, and operate the facilities in accordance with the agreement. The board may retain the right to joint use of all or part of any facilities so conveyed for the benefit of the district. Neither the validity of any assessment levied or to be levied, nor the legality or enforceability of any public obligations issued or incurred, to provide for the payment of the cost of the acquisition, construction, maintenance, or operation of the facilities or any part of them, shall be affected by the conveyance.
R.C. § 6117.05