All unexpended balances appropriated for the use of the office of the Adjutant General, the Adjutant General, the National Guard, the State Military Reserve or the Naval Militia and not required by the office of the Adjutant General, the Adjutant General, the National Guard, the State Military Reserve or the Naval Militia may be expended by the Adjutant General for the use and benefit of the Military Department. Except as herein provided, all money and funds available to or appropriated for the use and benefit of the office of the Adjutant General, the Adjutant General, the National Guard, the State Military Reserve, the California Cadet Corps or the Naval Militia, upon the effective date of this act, shall not be affected by the creation of the Military Department.