Foundation Maguindanao del Sur was formed when
Maguindanao province was split into two provinces; the other province being
Maguindanao del Norte. The division occurred following
a plebiscite on September 17, 2022 which ratified Republic Act 11550 which proposed the partitioning of the province. As per law former Maguindanao Governor
Mariam Mangudadatu was expected to become the governor of the newly formed Maguindanao del Sur province. However an issue arose since the determination of the first set of officials of the province presumes that the plebiscite was held prior to the
2022 national and local elections. However the plebiscite was postponed to a date after the elections. This led to the
Commission on Elections to come up with a legal opinion. The position was issued on September 28, 2022, where the election body conclude that only the
Department of the Interior and Local Government could appoint the first officials of the province. A transition period would take place until January 9, 2023. ==Geography==