Property Registration Decree (PD 1529)
Section 2. Nature of registration proceedings; jurisdiction of courts. Judicial proceedings for the registration of lands throughout the Philippines shall be in rem and shall be based on the generally accepted principles underlying the Torrens system.
Courts of First Instance shall have exclusive jurisdiction over all applications for original registration of title to lands, including improvements and interests therein, and over all petitions filed after original registration of title, with power to hear and determine all questions arising upon such applications or petitions. The court through its clerk of court shall furnish the Land Registration Commission with two certified copies of all pleadings, exhibits, orders, and decisions filed or issued in applications or petitions for land registration, with the exception of stenographic notes, within five days from the filing or issuance thereof.