—(1) Subject to these Regulations, a board convened by any of the convening bodies set out in regulation 4(1) shall be competent to inquire into —
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.
(2) Subject to these Regulations, a board convened by the convening body referred to in regulation 4(2) shall be competent to inquire into any of the matters set out in Part II of the Second Schedule and into any matter not being —
the absence of a person subject to military law;
the capture of any such person by the enemy; or
a matter which a board convened for the purposes of inquiry into matters set out in paragraph (1) is competent to inquire into, unless otherwise provided for.