Assignment of presiding officers, etc.
5.—(1)  Subject to regulation 6, the Returning Officer must assign to each overseas polling station —
(a)one or more presiding officers; and
(b)one or more persons to be responsible for maintaining order within the overseas polling station.
(2)  If more than one presiding officer is assigned to an overseas polling station, the Returning Officer must appoint a senior presiding officer from among the presiding officers assigned to that overseas polling station.
(3)  If at any time a presiding officer for an overseas polling station becomes unable to act, he or she must —
(a)notify the Assistant Returning Officer for that overseas polling station without delay; and
(b)appoint another person to act for him or her until an assignment is made under paragraph (4) or until he or she is again able to act.
(4)  After being notified under paragraph (3)(a), the Assistant Returning Officer for that overseas polling station must assign another presiding officer to that overseas polling station.
(5)  Without affecting paragraph (3) or (4), if at any time a senior presiding officer for an overseas polling station becomes unable to act —
(a)the senior presiding officer must also appoint a senior presiding officer from among the presiding officers assigned to that overseas polling station until an appointment is made under sub‑paragraph (b) or until he or she is again able to act; and
(b)the Assistant Returning Officer must also appoint a senior presiding officer from among the presiding officers assigned to that overseas polling station.
(6)  A reference to a presiding officer in this Part includes a reference to a person appointed under paragraph (3)(b) to act for a presiding officer.