§ 6023. Lease by authority. A convention center or part of a convention center established or continued under this chapter may be leased or subleased by the authority to and from the city. The city is empowered to enter into leases, subleases or both. A lease or sublease may be made for a specified or unlimited time and on any terms and conditions approved by the city and agreed to by the authority in conformity with its contracts with the holders of any bonds.