AN ACT DECENTRALIZING THE TEXTBOOK PROCUREMENT PROGRAM OF THE DEPARTMENT OF EDUCATION (DEPED) CREATING A REGIONAL TEXTBOOK PROCUREMENT SERVICES UNIT (RTPSU) IN ALL REGIONAL OFFICES INCLUDING THE AUTONOMOUS REGION IN MUSLIM MINDANAO (ARMM) AMENDING FOR THE PURPOSE SECTION 10 OF R.A. NO. 8047 OTHERWISE KNOWN AS THE BOOK PUBLISHING INDUSTRY DEVELOPMENT ACT