[McKinley's Instructions and 1698-11.] [1697-1.] [648-1; 926-71.] [2635-1.] [1120-21; Comp. 958.] (1797-1; Comp. 3938.] ( c ) To order, when in his opinion the good of the public service so requires, an investigation of any action or the conduct of any person in the Government service, and in connection therewith to designate the official, committee, or person by whom such in vestigation shall be conducted. ( d ) To reserve from settlement or public sale and for specific public uses any of the public domain of the Philippine Islands the use of which is not otherwise directed by law, the same thereafter remaining subject to the specific public uses indicated in  the executive order by which such reservation is made, until otherwise provided by law or executive order.  AcICHD ( e ) To reserve from sale or other disposition, and for specific public uses or service, any land belonging to the private domain of the Government of the Philippine Islands, the use of which is not otherwise directed by law; and thereafter such land shall  not be subject to sale or other disposition and shall be used for the specific purposes directed by such executive order until otherwise provided by law. (f) To reserve in like manner and with the same effect any of the friar lands, when authorized by resolution of the Upper House of the Philippine Legislature. ( g ) To make request upon the military authorities of the United States for the detail of officers of the United States Army or of the Philippine Scouts, as well as of the forces commanded by them, for the purpose of suppressing violence, maintaining order,  and enforcing the laws of the Philippine Islands. ( h ) To determine when it is necessary or advantageous to exercise the Copyright 2012 CD Technologies Asia, Inc. and Accesslaw, Inc. Philippine Law Encyclopedia 2011 34