1239 signed by President Ferdinand Marcos, constituting a total of nineteen barangays taken from Malangas (7, including Sta.

Fe which would be the seat of government), Siay (9), and Alicia (3), all then part of Zamboanga del Sur.

However, on November 18, 1987, the Pagadian Regional Trial Court (RTC) Branch 19 nullified the transfer upon granting a petition filed by Payao, which questioned the provincial board's authority to do so.

The first was filed against Payao and provincial officials of Zamboanga del Sur before Pagadian RTC Branch 21, which was dismissed in August 15, 2001.

In 2006, the Sangguniang Bayan of Imelda requested various government agencies for the immediate transfer of Guintolan to its territorial jurisdiction.