Worked on the aerele/erpnext repository to deliver a localized Philippines Chart of Accounts, enabling regulatory-compliant accounting within ERPNext for PH customers. The solution involved creating a comprehensive JSON file that models assets, liabilities, equity, income, and expenses according to local standards. Focused on backend development and data modeling, the work included review-driven improvements such as correcting indentation and refining bank group account structures to ensure seamless integration. By reducing manual configuration and enhancing data quality, this feature supports faster onboarding for future PH deployments while maintaining clear change traceability through detailed commit messages and collaborative sign-offs across contributors.