of Commerce and Police, the Governor-General may authorize the establishment, by a provincial or municipal government or by any branch of the Insular service, of telephone lines to ser ve local or temporary interests, without being subject to the jurisdiction of the Bureau of Posts. [1407-15 ( a, b ).] SECTION  1158 . Postal Conventions with Foreign Countries . — For the purpose of making better postal arrangements with foreign countries, or to counteract their adverse measures affecting our postal intercourse with them, the Director of Posts, with the appr oval of the Department head, may negotiate and conclude postal conventions, and may fix the rates of postage on mail matter conveyed between the Philippine Islands and foreign countries. SECTION  1159 . Inspection Districts of Bureau of Posts . — The Director of Posts shall divide the Philippine Islands into such number of inspection districts as may from time to time be required for administrative purposes. Each of these districts shall be i n charge of an inspector of the Bureau of Posts. SECTION  1160 . Duties of Inspectors . — It shall be the duty of every inspector of the Bureau of Posts to see that the laws and regulations pertaining to said Bureau are faithfully executed and complied with, to aid in the prevention, detection and punishmen t of any frauds or delinquencies in connection therewith, to examine into the efficiency of all officers and employees of the Bureau and to exercise general supervision over the work of the Bureau within the particular district or along the particular line s to which he is assigned. He shall report in writing to the Director any neglect, incompetency, delinquency, or malfeasance in office of any officer or employee of the Bureau of which he may obtain knowledge, with a statement of all the facts in each case  and any evidence sustaining the same. SECTION  1161 . Assignment of Inspectors to Special Duties . — Inspectors of the Bureau of Posts may be assigned to duty under the direction of any officer of the Bureau and may be assigned to special duties other than those of inspector proper. Any officer o r employee of the Bureau may be assigned to the duties of inspector without change of his official character or salary, and when so assigned, may exercise any power or perform any act which might be exercised or performed by a regularly appointed inspector  of the Bureau. AEDCHc SECTION  1162 . Authority of Officers of Bureau to Make Arrests and Seizures . — The Director of Posts, the Assistant Director of Posts, and inspectors of the Bureau of Posts shall have authority to make seizures under the Postal Law and to make arrests in fl agrante for violations of the penal provisions connected 347 Copyright 2012 CD Technologies Asia, Inc. and Accesslaw, Inc. Philippine Law Encyclopedia 2011