District money shall be deposited by the district in any account, which may be interest-bearing, subject to such requirements and conditions as may be prescribed by the state auditor. The account shall be in the name of the district except upon request by the treasurer, the accounts shall be in the name of the ". . .(name of county). . . county treasurer." The treasurer may instruct the financial institutions holding the deposits to transfer them to the treasurer at such times as the treasurer may deem appropriate, consistent with regulations governing and policies of the financial institution.