(a)      The mayor and city council, by whatever name known, of every municipal corporation in this State is authorized and empowered to lend or provide, upon such terms as may be agreed upon, the use of tools, vehicles, implements, materials, consultants, services, and other assistance to another political subdivision for purposes deemed to be public and of benefit to the municipal corporation and the other political subdivision.

      (b)      (1)      If a county provides for the levy and collection of a development impact fee on new residential construction to finance the costs of school construction, a municipal corporation shall assist the county in the collection of the fee for new residential construction within the municipal corporation by:

                  (i)      Collecting and remitting the fee to the county; or

                  (ii)      Requiring the fee to be paid to the county in accordance with the county development impact fee law or ordinance.

            (2)      The application of any impact fees paid under paragraph (1) of this subsection shall have a rational nexus to the project for which the fees are assessed.

            (3)      The provisions of this subsection may not be construed to affect any existing agreements between a county and municipal corporation concerning the levying and collection of development impact fees.