The treasurer of state shall adopt rules pursuant to chapter 17A for providing technical information and assistance to political subdivisions, the state board of regents, instrumentalities, and agencies of the state authorized to invest funds which are seeking to invest public funds. The treasurer or the treasurer’s designee shall provide technical information and assistance to a political subdivision, the state board of regents, or an instrumentality, or agency of the state authorized to invest funds at the request of the political subdivision, the state board of regents, or an instrumentality, or agency of the state authorized to invest funds, including but not limited to technical information regarding the statutory requirements for investments by the political subdivision, the state board of regents, or an instrumentality, or agency and technical assistance to enable the political subdivision, the state board of regents, or an instrumentality, or agency to invest funds in accordance with state law. However, the fact that information and assistance are provided under this section to a political subdivision, the state board of regents, or an instrumentality, or agency authorized to invest funds shall not make the state, the treasurer of state, or the treasurer’s designee liable to a political subdivision, the state board of regents, or an instrumentality, or agency of the state in any manner for any loss, damage, or expense incurred by the political subdivision, the state board of regents, or an instrumentality, or agency as a result of an investment.