competent authority. Students failing to qualify shall continue on the same basis until such time as they shall qualify as surv eyors in the manner herein prescribed or until separated from the service. [1491-3.] SECTION  1003 . Consequence of Violation of Contract . — Upon the expiration of their contracts, students may leave the service of the Government without prejudice; but any student separating himself from the service during his term of contract without the ap proval of the Secretary of the Interior shall be debarred thereafter from holding any position in the Philippine civil service. [1491-3, 4.] S ECTION  1006 . Title of Chapter . — This chapter shall be known as the Forest Law. S ECTION  1007 . Chief of Bureau of Forestry . — The chief of the Bureau of Forestry shall be known as the Director of Forestry. S ECTION  1008 . Jurisdiction of Bureau of Forestry . — The Bureau of Forestry shall have jurisdiction and authority over the demarcation, protection, management, reproduction, reforestation, occupancy, and use of all public forests and forest reserves and ove r the granting of licenses for the taking of products, including stone and earth, therefrom. [1189-130; 1407-9 ( c ).] [1407-9 ( a ).] SECTION  1009 . Regulations of Bureau of Forestry . — The regulations of the Bureau of Forestry shall, among other things, contain provisions deemed expedient or necessary to secure the protection and conservation of the public Copyright 2012 CD Technologies Asia, Inc. and Accesslaw, Inc. Philippine Law Encyclopedia 2011 302 CHAPTER  31 Bureau of Forestry PRELIMINARY  ARTICLE Title of Chapter ARTICLE  I Organization of Bureau