(1) A health and safety representative for a designated work group holds office for the following period (not exceeding 3 years)—
(a) the period agreed, or determined by an inspector under section 45, when the particulars of the designated work group were determined;
(b) that period as varied under section 44 or 48—
starting on the day on which the representative is elected.
(2) However, a person ceases to hold office as a health and safety representative for a designated work group if—
(a) the person ceases to be a member of the designated work group; or
(b) the person is disqualified under section 56 from acting as a health and safety representative; or
(c) the person resigns as the health and safety representative by giving written notice to the employer, or any of the employers, concerned; or
(d) a majority of the members of the designated work group resolve (in writing) that the person should no longer represent the designated work group but only if the person has held office for at least 12 months; or
(e) the designated work group is varied unless, as part of the variation, it is agreed or an inspector determines under section 45 that the variation is not to affect the remaining term of office of that health and safety representative.
(3) A health and safety representative is eligible for re-election.