Section 28J.3 - Appropriation and expenditure of public funds - dissolution1. The political subdivisions comprising a port authority may appropriate and expend public funds to finance or subsidize the operation and authorized purposes of the port authority. A port authority shall control tax revenues allocated to the facilities the port authority administers and all revenues derived from the operation of the port authority, the sale of its property, interest on investments, or from any other source related to the port authority.2. All revenues received by the port authority shall be held in a separate fund in a manner agreed to by the political subdivisions comprising the port authority. Revenues may be paid out only at the direction of the board of directors of the port authority.3. A port authority shall comply with section 331.341, subsections 1, 2, 4, and 5, and section 331.342, when contracting for public improvements.4. Subject to making due provisions for payment and performance of any outstanding obligations, the political subdivisions comprising the port authority may dissolve the port authority, and transfer the property of the port authority to the political subdivisions comprising the port authority in a manner agreed upon between the political subdivisions comprising the port authority prior to the dissolution of the port authority.