9360 on October 26, 2006, increased Zamboanga Sibugay's representation by reapportioning the province into two congressional districts, which began to elect their separate representatives in the 2007 elections.
In 2006, on October 26th, Zamboanga Sibugay saw a change in its congressional representation. The province was divided into two new districts, and these districts started holding elections for their own representatives in the year 2007.