The deputy adjutant general or civilian deputy director shall aid the Adjutant General by the performance of such duties as may be assigned by the Adjutant General. In case of absence or inability of the Adjutant General, the deputy adjutant general or civilian deputy director shall perform all or such portion of the duties of the Adjutant General as the latter may expressly delegate to him or her. If the Adjutant General has appointed a civilian deputy director the Adjutant General may, in the event of the Adjutant General’s absence, delegate the authority to perform the military duties of the Adjutant General to any active officer of the Nebraska National Guard who shall hold the minimum grade of colonel. In the case of absence of both the Adjutant General and the deputy adjutant general or civilian deputy director, the Adjutant General may delegate the authority to perform the military duties of the Adjutant General to any active officer of the Nebraska National Guard who shall hold the minimum grade of colonel and the Adjutant General may delegate the authority to perform state duties to any member of his or her appointed executive staff. The deputy adjutant general or civilian deputy director shall be bonded or insured as required by section 11-201. The deputy adjutant general or civilian deputy director shall receive such salary as the Adjutant General shall direct, payable biweekly. Such salary for the deputy adjutant general shall not exceed the annual pay and allowances of regular military officers of equal rank and time in service, except that when funds made available by the federal government are in excess of the amount payable as directed by the Adjutant General, the excess shall be used to reduce the amount required to be paid by the State of Nebraska. Except when called or ordered to active duty of the United States under 10 U.S.C. in support of missions authorized by the President of the United States or Secretary of Defense, the deputy adjutant general shall not be required to take either paid or unpaid leave, or a leave of absence or a reduction in salary, when performing his or her federal duties whether or not under federal orders.