SECTION 1. A new Section 26-A shall be inserted after Section 26 of Republic Act No. 6975, which shall read as follows:
"SEC. 26-A. Subpoena Powers. - The Chief of the Philippine National Police (PNP) and the Director and the Deputy Director for Administration of the Criminal Investigation and Detection Group (CIDG), referred to as the Criminal Investigation Unit in Section S5(b)(4) of this Act, shall have the power to administer oath, and issue subpoena and subpoena duces tecum in relation to its investigation: Provided, That such powers shall be exercised solely by the aforementioned officials and may not be further delegated to any other person or office.
'The subpoena shall state the nature and purpose of investigation, shall be directed to the person whose attendance is required, and in the case of a subpoena duces tecum, it shall also contain a reasonable description of the books, documents, or things demanded which must be relevant to the investigation.
"'Failure to comply with subpoena and subpoena, duces tecum shall authorize the filing of a case for indirect contempt under the Rules of Court with the Regional Trial Court."