Article XII – Section 15

Annual Block Grant. – The National Government shall provide an annual block grant which shall be the share of the Bangsamoro Government in the national internal revenue tax collections of the Bureau of Internal Revenue and collections of the Bureau of Customs. The amount shall be sufficient for the exercise of the powers and functions of the Bangsamoro Government under this Organic Law and in no case shall be less than the last budget received by the Autonomous Region in Muslim Mindanao immediately before the establishment of the Bangsamoro Autonomous Region.