Zamboanga del Sur Provincial Board

Zamboanga del Sur Provincial Board Sangguniang Panlalawigan ng Zamboanga del Sur
Type
Type	Unicameral
Term limits	3 terms (9 years)
Leadership
Presiding Officer	Roseller Ariosa, UNA since June 30, 2019
Structure
Seats	13 board members 1 ex officio presiding officer
Political groups	PDP–Laban (9)   NUP (1)   UNA (1)   Nonpartisan (2)
Length of term	3 years
Authority	Local Government Code of the Philippines
Elections
Voting system	Multiple non-transferable vote (regular members) Indirect election (ex officio members) Acclamation (sectoral member)
Last election	May 13, 2019
Next election	May 9, 2022
Meeting place
Legislative Building, Zamboanga del Sur Provincial Complex, Pagadian

The Zamboanga del Sur Provincial Board is the Sangguniang Panlalawigan (provincial legislature) of the Philippine province of Zamboanga del Sur.

The members are elected via plurality-at-large voting: the province is divided into two districts, each having five seats. A voter votes up to five names, with the top five candidates per district being elected. The vice governor is the ex officio presiding officer, and only votes to break ties. The vice governor is elected via the plurality voting system province-wide.

The districts used in appropriation of members is coextensive with the legislative districts of Zamboanga del Sur.

Aside from the regular members, the board also includes the provincial federation presidents of the Liga ng mga Barangay (ABC, from its old name "Association of Barangay Captains"), the Sangguniang Kabataan (SK, youth councils) and the Philippine Councilors League (PCL).