This document summarizes Republic Act No. 4566, also known as the Philippine Licensing Board for Contractors Act. The purpose of the act is to regulate and license contractors to ensure public safety by only allowing qualified contractors to undertake construction projects. It establishes a Licensing Board for Contractors to issue, suspend, and revoke contractor licenses. The act also classifies contractors, outlines licensing and renewal requirements, and establishes causes for disciplinary action or penalties for unlicensed contractors.