the absence of any person subject to military law who has been continuously absent without leave for a period of not less than 21 days and the deficiency (if any) in the clothing, arms, ammunition or other equipment or any other public or service property issued to him for his use;

the capture of any person subject to military law by the enemy and his conduct in captivity, if, on his return from captivity, the convening body considers that there are reasonable grounds for suspecting that he was made a prisoner of war through disobedience to orders or wilful neglect of his duty, or that having been made a prisoner of war he failed to take all reasonable steps available to him to rejoin the Singapore Armed Forces, or that having been made a prisoner of war he served with or aided the enemy in the prosecution of hostilities or measures calculated to influence morale or in any other manner whatsoever not authorised by international usage;

the death of any person in a military establishment, being an establishment in any country or territory outside Singapore where an inquiry into the death is not required to be held by any civil authority; and

any of the matters set out in Part I of the Second Schedule which the convening body decides to refer to the board, and other matters which are deemed by the convening body to be important matters.