The purpose of this chapter is:
(1) to permit local governmental units to make the most efficient use of their powers by enabling them to cooperate with other localities on a basis of mutual advantage and thereby to provide services and facilities in a manner and under forms of governmental organization that will accord best with geographic, economic, population and other factors influencing the needs and development of local communities; and
(2) to provide the benefit of economy of scale, economic development, and utilization of natural resources for the overall promotion of the general welfare of the state.
(10) "Out-of-state public agency" means a public agency as defined in Subsection (13)(c), (d), or (e).
(13) "Public agency" means:
(a) a city, town, county, school district, special district, or other political subdivision of the state;
(b) the state or any department, division, or agency of the state;
(c) any agency of the United States;
(d) any political subdivision or agency of another state or the District of Columbia including any interlocal cooperation or joint powers agency formed under the authority of the law of the other state or the District of Columbia; and
(16) "Utah public agency" means a public agency under Subsection (13)(a) or (b).
(1)(a) Any power, privilege, or authority exercised or capable of exercise by a Utah public agency may be exercised and enjoyed jointly with any other Utah public agency having the power, privilege, or authority, and jointly with any out-of-state public agency to the extent that the laws governing the out-of-state public agency permit such joint exercise or enjoyment.
(b) Any agency of the state government when acting jointly with any public agency may exercise and enjoy all of the powers, privileges, and authority conferred by this chapter upon a public agency.