Final answer:
The subject of this question is Military. The commander's written notice must include the reasons for the non-recommendation and the airman's acknowledgement when an airman will not be allowed to assume the next higher grade in the military.
Step-by-step explanation:
The subject of this question is Military.
When an airman will not be allowed to assume the next higher grade, the commander's written notice must include the reasons for the non-recommendation, inclusive dates of the non-recommendation action, and the airman's acknowledgement. This process ensures that there is transparency and clarity in the decision-making process in the military.
This rule is important because it helps to maintain the chain of command and ensures that promotions and advancements are based on merit and performance.