1. The principal assistant shall assume command in the event of the commanding officer’s death, prolonged absence or disability.
2. In the case of the Nevada Air National Guard, the principal assistant may include an officer who lacks an aeronautical rating, as defined in Air Force Instruction 11-402 § 2.2, as it may be amended or replaced, and is serving in a position immediately subordinate to the convening authority.
3. Any delegation of authority to a principal assistant must be in writing, unless exigencies prevent such written delegation. If exigencies prevent written delegation, verbal authorization is sufficient and must be reduced to writing as soon as possible thereafter.