Article XIII – Section 37

Public Works and Infrastructure. – The National Government shall fund and implement the construction and maintenance of the national roads, bridges, water supply and services, and flood control and irrigation systems and for the maintenance of existing airports, seaports, and wharves in the Bangsamoro Autonomous Region: Provided, That with regard to water supply and services, flood control and irrigation systems that connect or from facilities outside the Bangsamoro Autonomous Region, there shall be cooperation and coordination between the Bangsamoro Government and the appropriate national or local government bodies. All national roads and bridges in the Bangsamoro Autonomous Region shall be included in the National Road Network Information System. Nationally-funded infrastructure projects shall be implemented by the National Government. The Bangsamoro Government shall submit proposals to the appropriate national government agency for the inclusion of the cost of such maintenance in the latter’s budget that shall be submitted to the Congress of the Philippines for inclusion in the General Appropriations Act. Funding for national roads, bridges, and irrigation systems shall be regularly released to the relevant departments of the National Government.