It is legislated that the Moro Islamic Liberation Front will lead the BTA “without prejudice to the participation of the Moro National Liberation Front (MNLF) in its membership.” Elected officials of the ARMM whose terms were set to end until June 30, 2019, served as part of the body until that date.

The campaign was successful after President Rodrigo Duterte signed into law on October 28, 2021, the bill postponing the elections to 2025.

[16] When the law postponing the elections was being deliberated, the possibility of revising the manner of allocation of seats in the interim parliament was raised.

[17] In February 2022, the Security, Justice and Peace Cabinet Cluster advised Duterte to retain the existing parliament members which the president approved.

[19] These are graphical representations of the Bangsamoro Transition Authority showing a comparison of its composition after the initial set of officers were sworn-in in 2019 and its current make up:

The list does not include members who were not reappointed to the BTA by President Bongbong Marcos on August 12, 2022, who became part of the 2nd parliament which held its inaugural session on September 15, 2022.