21.2. The leave begins on the later of the following dates:(1) the day on which the employee becomes a candidate or a member of the council, as the case may be;
(2) the first day for which the employee has requested a leave.
The leave granted to a candidate terminates on the day a person is elected to the office for which he was a candidate. The leave granted to a member of the council terminates when his term of office expires or when his office otherwise becomes vacant. The employee may terminate his leave at any time.