respective provincial fiscals. ( c ) The Attorney-General, may, in his discretion, require the provincial fiscal of any province to appear or render service in the Supreme Court in any case wherein the province to which he pertains, or a municipality thereof, is interested, or when the ca se in question originated in such province. [1699-1.] SECTION  1305 . Additional Counsel to Assist Fiscal . — The Attorney-General may appoint any lawyer, being either a subordinate from his office or, with the approval of the Secretary of Finance and Justice, a competent person not in the public service, tempor arily to assist a fiscal or prosecuting attorney in the discharge of his duties, and with the same authority therein as might be exercised by the Attorney-General or Solicitor-General. In addition to travel expense, such appointee, if not in the Government service, shall receive such compensation as shall be stipulated for, not exceeding thirty pesos per day for the time employed. [867-17.] SECTION  1306 . Authority of Fiscal to Conduct Investigation in Criminal Matter . — A provincial fiscal shall have authority, if he deems it wise, to conduct an investigation into the matter of any crime or misdemeanor. To this end he may summon reputed witne sses and require them to appear and testify upon oath before him. The attendance or evidence of absent or recalcitrant witnesses who may be summoned or whose testimony may be required by a provincial fiscal under the authority herein conferred shall be enf orced by proper process upon application to be made by the provincial fiscal to any judge of first instance of the judicial district or to the justice of the peace of the municipality in which the investigation is held. But no witness summoned to testify u nder this section shall be compelled to give testimony tending to criminate himself. This section shall not be construed to authorize a provincial fiscal to act as justice of the peace in any preliminary investigation, but only as authorizing him to secure the attendance of witnesses before him in making necessary investigations for the pu rpose of instituting or carrying on criminal prosecutions. [302-2.] SECTION  1307 . Administrative Authority of Attorney-General Over Provincial Fiscals . — The Attorney-General shall have general supervision over Copyright 2012 CD Technologies Asia, Inc. and Accesslaw, Inc. Philippine Law Encyclopedia 2011 386