Number of tiers
Gibraltar
Parliament Act, 1950-07-21(last amended: 2007-07-28),
http://www.parliament.gi/images/parliament_act_1950-15o.pdf
Election Rules, 1950-07-20 (last amended: 2007-09-20), http://www.parliament.gi/images/election_rules_1950.07.20-1.pdf
Parliament Act
22. At a contested election for members of the Parliament each elector may vote for as many candidates as there are vacancies to be filled unless there are more vacancies than ten, in which case each elector may vote for not more than ten candidates.
Election Rules
Declaration of result.
45.(1) In a contested election, when the result of the poll has been ascertained the returning officer shall forthwith declare to be elected the candidates for whom the majority of votes have been given, and shall as soon as possible publish in the Gazette, the name or names of the candidate or candidates elected and the total number of votes given for each candidate, whether elected or not.