Allocation of the Block Grant. – The Parliament shall pass an annual appropriations law allocating the block grant to various agencies and programs according to the powers and functions of the Bangsamoro Government. The Parliament shall assign the highest budgetary priority to education, health, and social services as may be provided in its appropriations law. The Parliament shall not include the procurement of firearms, ammunition, armaments, and explosives in its annual appropriations law from the block grant. Copies of the development plans of the Bangsamoro Government shall be furnished the Department of the Interior and Local Government. In the allocation of the block grant, the national laws and the budgeting rules and regulations implemented by the Department of Budget and Management and Department of the Interior and Local Government applicable to local government units shall apply. The Bangsamoro Government’s annual appropriations law shall set performance standards and targets for each sector. Any unspent amount in the current year’s block grant shall revert to the Bangsamoro Treasury under a Special Fund for reappropriation: Provided, however, That any subsequent appropriation thereof shall follow the same conditions as provided in this section.