A. The treasurer shall invest and reinvest public monies in securities and deposits with a maximum maturity of five years. All public monies shall be invested in eligible investments. Eligible investments are:

1. 1. Certificates of deposit in eligible depositories.
2. 2. Deposits in one or more federally insured banks or savings and loan associations placed in accordance with the procedures prescribed in section 35-323.01.
3. 3. Interest bearing savings accounts in banks and savings and loan institutions doing business in this state whose accounts are insured by federal deposit insurance for their industry, but only if deposits of more than the insured amount are secured by the eligible depository to the same extent and in the same manner as required under this article.
4. 4. Repurchase agreements with a maximum maturity of one hundred eighty days.
5. 5. The pooled investment funds established by the state treasurer pursuant to section 35-326.
6. 6. Obligations issued or guaranteed by the United States or any of the senior debt of its agencies, sponsored agencies, corporations, sponsored corporations or instrumentalities.
7. 7. Bonds, notes or other evidences of indebtedness of this state or any of its counties, incorporated cities or towns, school districts or special taxing districts, including registered warrants, substitute checks, and electronic funds transfer vouchers that bear interest pursuant to section 11-635.
8. 8. Bonds, notes or evidences of indebtedness of any county, municipal district, municipal utility or special taxing district of any state that are payable from revenues, earnings or a special tax specifically pledged for the payment of the principal of and interest on the obligations, and for the payment of which a lawful sinking fund or reserve fund has been established and is being maintained, but only if a default in payment on principal or interest on the obligations to be purchased has not occurred within five years after the date of investment, or, if such obligations were issued less than five years before the date of investment, a default in payment of principal or interest has not occurred on the obligations to be purchased or any other obligations of the issuer within five years after the investment.

9. 9. Bonds, notes or evidences of indebtedness issued by any county improvement district or municipal improvement district of any state to finance local improvements authorized by law, if the principal and interest of the obligations are payable from assessments on real property within the improvement district. An investment shall not be made if:

   1. (a) The face value of all such obligations, and similar obligations outstanding, exceeds fifty percent of the market value of the real property, and if improvements on which the bonds or the assessments for the payment of principal and interest on the bonds are liens inferior only to the liens for general ad valorem taxes.
   2. (b) A default in payment of principal or interest on the obligations to be purchased has occurred within five years after the date of investment, or, if the obligations were issued less than five years before the date of investment, a default in the payment of principal or interest has occurred on the obligations to be purchased or on any other obligation of the issuer within five years after the investment.
10. 10. Commercial paper of prime quality that is rated within the top two ratings by a nationally recognized rating agency. All commercial paper must be issued by corporations organized and doing business in the United States.
11. 11. Bonds, debentures, notes or other evidences of indebtedness that are denominated in United States dollars and that carry at a minimum an "A" or better rating, at the time of purchase, from at least two nationally recognized rating agencies.
12. 12. Negotiable or brokered certificates of deposit issued by a nationally or state-chartered bank or savings and loan association.
13. 13. Securities of or any other interests in any open-end or closed-end management type investment company or investment trust, including exchange traded funds whose underlying investments are invested in securities allowed by state law, registered under the investment company act of 1940 (54 Stat. 789; 15 United States Code sections 80a-1 through 80a-64), as amended.

G. Any eligible depository, before receiving a deposit of more than the insured amount under this article, shall deliver collateral for the purposes of this subsection equal to at least one hundred two percent of the deposit. The collateral shall be any of the following:

1. 1. A bond executed by a surety company that is approved by the treasury department of the United States and authorized to do business in this state. The bond shall be approved as to form by the legal advisor of the treasurer.

2. 2. Securities or instruments of the following character:

   1. (a) United States government or agency obligations.
   2. (b) State, county, school district and other district municipal bonds.
3. 3. The safekeeping receipt of a federal reserve bank or any bank located in a reserve city, or any bank authorized to do business in this state, whose combined capital, surplus and outstanding capital notes and debentures on the date of the safekeeping receipt are $10,000,000 or more, evidencing the deposit therein of any securities or instruments described in this section. A safekeeping receipt shall not qualify as security, if issued by a bank to secure its own public deposits, unless issued directly through its trust department. The safekeeping receipt shall show on its face that it is issued for the account of the treasurer and shall be delivered to the treasurer. The safekeeping receipt may provide for the substitution of securities or instruments that qualify under this section with the affirmative act of the treasurer.

4. 4. Letters of credit issued by a federal home loan bank if:

   1. (a) The letter of credit has been delivered pursuant to this section or chapter 10, article 1 of this title to the statewide collateral pool administrator.

   2. (b) The letter of credit meets the required conditions of:

      1. (i) Being irrevocable.
      2. (ii) Being issued, presentable and payable at a federal home loan bank in United States dollars. Presentation may be made by the beneficiary submitting the original letter of credit, including any amendments, and the demand in writing, by overnight delivery.
      3. (iii) If the letter of credit is for purposes of chapter 10, article 1 of this title, containing a statement that identifies the statewide collateral pool administrator as the beneficiary.
      4. (iv) Containing an issue date and a date of expiration.
   3. (c) For the purposes of chapter 10, article 1 of this title, the eligible depository, if notified by the statewide collateral pool administrator, is not allowed to use new letters of credit issued by a federal home loan bank if that federal home loan bank fails to pay a draw request as provided for in the letters of credit or fails to properly complete a confirmation of such letters of credit.

N. The following restrictions on investments apply:

1. 1. Public operating fund monies shall not be invested for a maturity of longer than five years.
2. 2. The board of deposit may order the treasurer to sell any of the securities, and any order shall specifically describe the securities and fix the date on which they are to be sold. Securities so ordered to be sold shall be sold for cash by the treasurer on the date fixed in the order, at the then-current market price. The treasurer and the members of the board are not accountable for any loss occasioned by sales of securities at prices lower than their cost. Any loss or expense shall be charged against earnings received from investment of public monies.
3. 3. Investments shall not be made in companies identified pursuant to section 35-392, subsection A, paragraph 1.