This document outlines rules and regulations for implementing the Local Government Code of 1991 in the Philippines. It discusses policies around decentralization and local autonomy. It also establishes guidelines for creating, dividing, merging, and altering the boundaries of local government units (LGUs) like provinces, cities, municipalities, and barangays. Requirements are outlined for income, population, and land area needed to create or reclassify LGUs. The process involves petitions, certifications, and plebiscites.