BASE PERIOD, THE PURPOSE OF THIS MODIFICATION IS TO TRANSFER CONTRACTING OFFICE AUTHORITY/CONTRACT ADMINISTRATION RESPONSIBILITY FOR CONTRACT (W917BG-06-D-0036, AL ASAD AIR BASE), FROM THE TRANSATLANTIC GULF REGION DISTRICT (TAG) CONTRACTING OFFICE, BAGHDAD, IRAQ, TO THE TRANSATLANTIC MIDDLE EAST DISTRICT (TAM) CONTRACTING OFFICE. EFFECTIVE WITH THE ISSUANCE OF THIS MODIFICATION, ALL REQUIRED CONTRACTUAL DOCUMENTS SHALL BE SUBMITTED TO THE TAM CONTRACTING OFFICE.