By Army Regulation 135-155, Promotion of Commissioned Officers and Warrant Officers Other Than General Officers, paragraph 3-18, the appointment of an officer may be delayed in any case in which there is cause to believe that the officer is mentally, physically, morally, or professionally unqualified to perform the duties of the grade for which they were selected for promotion.

By Army Regulation 135-155, Promotion of Commissioned Officers and Warrant Officers Other Than General Officers, paragraph 3-18, the appointment of an officer may be delayed in any case in which there is cause to believe that the officer is mentally, physically, morally, or professionally unqualified to perform the duties of the grade for which he or she was selected for promotion.