The Governor's Emergency Cash Fund is created. The fund shall consist of federal reimbursements received by the state for eligible state administrative costs incurred by the Nebraska Emergency Management Agency for administering federal emergency disaster declarations and revenue from all other nonfederal government sources. Except as provided in section 90-270, the fund shall be used to pay eligible costs related to state emergency disaster declarations. The fund shall be administered by the State Administrator of the Nebraska Emergency Management Agency. Any money in the fund available for investment shall be invested by the state investment officer pursuant to the Nebraska Capital Expansion Act and the Nebraska State Funds Investment Act.