Number of tiers

The Representation of the People Act, 1982 (amended 2006)
Schedule 5 (Election Rules), rule 10(2)(b): “ Immediately on receipt of the ballot papers and envelope a voter shall ... (b) record his vote by placing the ballot paper bearing the name and symbol of his chosen candidate in the envelope.”  

Schedule 5 (Election Rules), rule 21(2): Subject to subrule (3) the number of candidates counting down from the candidate who obtains the highest number of votes in order of the votes obtained that equals the number of seats allocated to that constituency shall be declared elected.

Representation of the People (Parliamentary Constituencies and Seats), 2002

Article 1: Vanuatu is to be divided into 17 constituencies

Article 2: Parliament is to consist of 52 members and the seats for those members are to be distributed among the constituencies in accordance with and in the manner set out in the Schedule. 

There are different electoral systems for the single-member constituencies and the multi-member constituencies.