This is PART 1 of our lecture Fundamentals of Property Registration & Documentation. We discussed the history, definition of terms, laws and actual cases involved in property registration and documentation. We discussed here the origins, meaning and application of the Torrens system of land titling, as well as we clarified whether Spanish land titles are still valid in the Philippines. We tackled Presidential Decree No. 1529, otherwise known as the Property Registration Act; Commonwealth Act. No. 141, otherwise known as the Public Land Act; Commonwealth Act No. 2259, otherwise known as the Cadastral Law; Land Registration Act of 1902; Act No. 496;