This document outlines additional rules and regulations for signs and signboard structures in the Philippines. It defines key terms related to signs and establishes rules for permits, inspections, general provisions, and design/construction of different sign types. New free-standing and roof-mounted signs must have a 5m front and 2m side/rear setback and be permitted. Existing signs can continue operating if certified safe by an engineer and permitted. Ground signs cannot exceed 6m height and projecting/wall signs have size limits.