The document outlines the guidelines for the Bottom-Up Budgeting (BuB) process between local and national governments in the Philippines. It defines BuB as an approach to formulating budgets that considers the development needs of poor cities/municipalities as identified in local poverty reduction action plans developed with community participation. 1,233 priority local governments will participate in the BuB process, submitting proposed poverty reduction projects to national agencies for funding consideration and integration into agency budgets. The document details the roles of different stakeholders and the steps for project identification, validation, funding, and implementation.