SB576,18,5 (e) Covenant as to the mortgage or pledge of, or the grant of a security interest in, any real or personal property and all or any part of the revenues of the authority to secure the payment of bonds, subject to any agreements with the bondholders.

SB576,18,8 (f) Covenant as to the custody, collection, securing, investment, and payment of any revenues, assets, moneys, funds, or property with respect to which the authority may have any rights or interest.

SB576,18,11 (g) Covenant as to the purposes to which the proceeds from the sale of any bonds may be applied, and as to the pledge of such proceeds to secure the payment of the bonds.

SB576,18,14 (h) Covenant as to limitations on the issuance of any additional bonds, the terms upon which additional bonds may be issued and secured, and the refunding of outstanding bonds.

SB576,18,16 (i) Covenant as to the rank or priority of any bonds with respect to any lien or security.

SB576,18,20 (j) Covenant as to the procedure by which the terms of any contract with or for the benefit of the holders of bonds may be amended or abrogated, the amount of bonds, the holders of which must consent thereto, and the manner in which such consent may be given.

SB576,18,23 (k) Covenant as to the custody and safekeeping of any of its properties or investments, the insurance to be carried on the property or investments, and the use and disposition of insurance proceeds.

SB576,19,3 (L) Covenant as to the vesting in one or more trustees, within or outside the state, of those properties, rights, powers, and duties in trust as the authority determines.

SB576,19,6 (m) Covenant as to the appointing of, and providing for the duties and obligations of, one or more paying agent or other fiduciaries within or outside the state.

SB576,19,9 (n) Make all other covenants and do any act that may be necessary or convenient or desirable in order to secure its bonds or, in the absolute discretion of the authority, tend to make the bonds more marketable.

SB576,19,13 (o) Execute all instruments necessary or convenient in the exercise of the powers granted under this section or in the performance of covenants or duties, which may contain such covenants and provisions as a purchaser of the bonds of the authority may reasonably require.

SB576,19,25 (10) Refunding bonds. An authority may issue refunding bonds for the purpose of paying any of its bonds at or prior to maturity or upon acceleration or redemption. An authority may issue refunding bonds at such time prior to the maturity or redemption of the refunded bonds as the authority deems to be in the public interest. The refunding bonds may be issued in sufficient amounts to pay or provide the principal of the bonds being refunded, together with any redemption premium on the bonds, any interest accrued or to accrue to the date of payment of the bonds, the expenses of issue of the refunding bonds, the expenses of redeeming the bonds being refunded, and such reserves for debt service or other capital or current expenses from the proceeds of such refunding bonds as may be required by the resolution, trust indenture, or other security instruments. To the extent applicable, refunding bonds are subject to subs. (8) and (9).

SB576,20,2 (11) Bonds eligible for investment. (a) Any of the following may invest funds, including capital in their control or belonging to them, in bonds of the authority:

SB576,20,3 1. Public officers and agencies of the state.

SB576,20,4 2. Local governmental units, as defined in s. 19.42 (7u).

SB576,20,5 3. Insurance companies.

SB576,20,6 4. Trust companies.

SB576,20,7 5. Banks.

SB576,20,8 6. Savings banks.

SB576,20,9 7. Savings and loan associations.

SB576,20,10 8. Investment companies.

SB576,20,11 9. Personal representatives.

SB576,20,12 10. Trustees.

SB576,20,13 11. Other fiduciaries not listed in this paragraph.

SB576,20,17 (b) The authority's bonds are securities that may be deposited with and received by any officer or agency of the state or any local governmental unit, as defined in s. 19.42 (7u), for any purpose for which the deposit of bonds or obligations of the state or any local governmental unit is authorized by law.

SB576,20,25 (12) Budgets; rates and charges; audit. The board of directors of an authority shall annually prepare a budget for the authority. Rates and other charges received by an authority shall be used only for the general expenses and capital expenditures of the authority, to pay interest, amortization, and retirement charges on bonds, and for specific purposes of the authority and may not be transferred to any political subdivision. The authority shall maintain an accounting system in accordance with generally accepted accounting principles and shall have its financial statements and debt covenants audited annually by an independent certified public accountant.

SB576,21,6 (13) Withdrawal from authority. (a) A participating political subdivision that becomes a member of an authority under sub. (2) (c) 4. shall withdraw from the authority if the county in which the municipality is located withdraws from the authority under this subsection and a participating political subdivision that joined an authority under sub. (2) (c) 3. may withdraw from an authority if all of the following conditions are met:

SB576,21,8 1. The governing body of the political subdivision adopts a resolution requesting withdrawal of the political subdivision from the authority.

SB576,21,10 2. The political subdivision has paid, or made provision for the payment of, all obligations of the political subdivision to the authority.